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Prospect Hill Tract (Harvard Forest)

• 15N Labeled Corn Decomposition Experiment. 1994-1997
• 1920s Field Notebook.
• 1938 Hurricane - A.C. Cline Photographs. 1938-1939
• 1938 Hurricane - Log receiving tickets and salvage data. 1938
• 1938 Hurricane - M. Fluet photograph, 1989-90 Annual Report cover. 1990
• 1938 Hurricane - Photographs. 1938
• 1942 and 1934 Cordwood cutting, PH IV, Cd-1. 1944
• 1942 and 1943 Cordwood cutting, PH IV, P-2. 1944
• 1942 and 1943 Cordwood cutting, PH IV, P-Cd-1, P-2. 1944
• Account Book for Sanderson Family: 18th and 19th Centuries. 1773-1837
• Aerial Photographs 1944 IR Petersham A1 to A6. 1944
• Aerial Photographs 1944 Strip A Prospect Hill XXP 1:6100. 1944
• Aerial Photographs Harvard Forest 1993. 1993
• Aerial Photographs Petersham 1946 PH VIII 1946 1:1000. 1946
• Aerial Photographs Petersham Harvard Forest Tracts 1944. 1944
• Aerial Photographs Petersham high altitude oblique 1944. 1944
• Aerial Photographs Petersham XXP 7/5/44 strip A 1:11880. 1944
• Aerial Photographs Prospect Hill 1945 IR High Altitude Obliques. 1945
• Aerial Photographs Prospect Hill Strip A IR July 1944 1:11800. 1944
• Aerial Photographs Strip A Prospect Hill 1944 XXP 1:3000. 1944
• After thinning of 1959, PH I, 24H. 1960
• Age Structure of the Upperstory Trees in an Area of Northern Massachusetts Burnt by Brushfire. 2002
• Alternate row red pine-white spruce, PH I, Mx. Sd. 5, 25k. 1942
• An analysis of Tsuga canadensis growth in the Harvard Forest. 2000
• An Anatomy of Healing of Pruned Stubs in Norway Spruce. 1963
• Annual cut 1934-1935, PH II, P-Cd-1. 1934
• Annual cut 1934-1935, PH III, P-Cd-4, P-11. 1934
• Annual cut 1934-1935, PH IV, P-Cd-1, P-3, P-4. 1934
• Annual cut 1934-1935, seed-tree cutting, PH III, P-Cd4. 1934
• Anthropogenic ties to late-successional structure and composition in four New England hemlock stands. 1998-2000
• Ants of the CTFS-ForestGEO Plot at Harvard Forest. 2018
• Ants of the CTFS-ForestGEO Plot at Harvard Forest 2018 (DISCARDED). 2018
• Application for additional Chronic N project plot. 1989
• Arboretum D along II-IV road, PH II. 1944
• Armillaria mellea following poor planting, PH II. 1931
• Arthur Brook. 2015-2017
• Assay of biodiversity and rates of regrowth in a clear cut red pine plantation at the Harvard Forest. 1992
• Atmosphere-biosphere exchange in a forest ecosystem in New England. 1989
• An Attempt to Kill Hardwood Sprouts by Copper Nails. 1949
• Base Map of Prospect Hill, Tom Swamp, and Slab City Tracts. 1945
• Beavers and Trees in Gould's Bog. 2005
• Before and after clear-cutting operation, PH I, 21-A. 1951
• Before and after improvement cutting and salvage; clearcutting, PH V - South slope of Prospect Hill. 1950-1951
• Before and after improvement cutting and thinning, PH II - 24D. 1951
• Before and after row thinning, PH I, 24F. 1951
• Before and after thinning - verticals of canopy, PHI, 24G, Exp 24-1. 1951
• Before and after thinning and improvement operation, PH II, 19B. 1951
• Before and after thinning, PH I - 25K. 1951
• Before and after thinning, PH I, 26N. 1951
• Birdseye views, PH V. 1918
• Black gum swamp stand dynamics and growth. 1988
• Black Gum Swamp Trail boardwalk proposal to DEM. 1998-1999
• Black walnut propagation on Prospect Hill. 1940
• The Black-Gum and Tom Swamps: different communities?. 1984
• Blister Rust at Harvard Forest 1913-1926. 1913-1926
• Bogs of Harvard Forest. 1992
• Breeding Birds at Harvard Forest, 1993 Survey. 1993
• Breeding birds at Harvard Forest: 2006 Update. 2006
• A Brief Study of Land Use Based on Field Observations. 1948
• A Brief Study to Correlate the Yearly Fluctuations of Precipitation with the Diameter Increment of Red Pine. 1949
• A brief survey of land use at Prospect Hill. 1975
• Brush treatment - Roads; Prospect Hill Road.
• Buried bag - net N mineralization study, Prospect Hill maps and plot notes. 1995
• Canopy and understory mapping, Prospect Hill IV. 1979
• Canopy light regulation of understory perennial flowering phenology at the Harvard Forest. 1991
• Carbon Dioxide Exchange by an Old-Growth Eastern Hemlock Forest. 1997-1999
• Case Histories, Prospect Hill VII, Locust Opening. 1947
• Catalog of Representative Operations on the Harvard Forest. 1924
• The Causes and Effects of Streams in the Harvard Forest. 2004
• Causes for success and failure in pine plantations in 1912 in Petersham, Massachusetts. 1912
• Causes of success and failure on white pine plantations. 1911
• Censusing great horned owl at the Harvard Forest. 1996
• Changes in Tracheid Length in Eastern Hemlock. 1957
• Characteristics of vegetation development on a white pine plantation site following the 1957 fire on Prospect Hill, Harvard Forest. 1957-1984
• Characterization of mound and pit topography in the Prospect Hill experimental blow-down. 1989
• Charts of red pine plantation data trial plots, Prospect Hill, 1960. 1960
• Chemical (2-4-D, 2-4-5-T) control of hardwood growth, Prospect Hill IV. 1952
• The Chestnut's Deadly Girdle. 1992
• Chronic N Green Foliage. 1988-1993
• Chronic N Litterfall Ground Sample.
• Chronic N Plot Litter.
• Chronic Nitrogen Amendment Experiment at Harvard Forest: 2003 ant data. 2003
• Classifying structural and functional characteristics of forest ecosystems from an ultralight survey at Harvard Forest. 1991
• Clear-cutting, PH VII or VIII.
• Clearcutting - before, PH V. 1951
• Clearcutting for cordwood 1942, 1943, PH IV, Cd-1. 1944
• Clearcutting in groups, PH VI, P-Cd-1. 1944
• Clearcutting of old-field-pine stand; before, during, and after operation, PH V. 1950-1951
• Clearcutting operation of a swamp, PH VII. 1950-1951
• Clearcutting, PH VI. 1951-1952
• Clearing trees from road. 1961
• Coarse fragments in the Gloucester soils of the Harvard Forest. 1964
• Collembola migration studies. 1973
• Community House Historical Photographs.
• The Comparative Performance of the Larch Tree in Relation to Neighboring Evergreen and Deciduous Species. 2002
• A Comparison Between the Growth of Red Pine in the Harvard Forest and Scotch Pine in Germany with Some Remarks About the Silviculture and Utilization of Both Species in Their Native Countries. 1949
• A comparison between the soils of hardwood stand and a softwood stand. 1987
• A comparison of the growth of red pine, norway spruce, and european larch in mixed and pure plantings. 1979
• A comparison of the growth patterns of paper birch, Betula papyrifera, from burned and unburned stands. 1989
• Comparison of Winter Stream Obstructions in Hemlock and Hardwood Stands. 2001
• Comparisons of forest floor litter. 1981
• Comparisons of soils from different parent materials. 1982
• Compartment maps, Harvard Forest. 1927-1929
• Compartments on Prospect Hill - 2008. 2008
• The composition of red pine (Pinus resinosa) plantations as a consequence of fire disturbance. 1988
• Composition, volume estimates, and management plan for the western portion of Prospect Hill (PH II and PH VIII). 1909
• Composition, volume, and working plan for cordwood on northeast portion of Prospect Hill (PH II and PH VIII). 1909
• Computer data documentation. 1994
• Conditions of 25 marked trees on Prospect Hill Tract: location unknown. 1912
• Control plot, PH I. 1921
• Conversion of mixed coppice into sawtimber. 1941
• Coppice conversion study, Co-Exp. No. 41-1, 1941-1942. 1941-1942
• Coppice conversion study, Co-Exp. No. 41-1, 1944. 1944
• Cordwood cutting - clear cutting, PH VII.
• Cordwood cutting, PH II. 1925
• Cordwood cuttings 1926-1927, PH VII. 1926-1927
• Cordwood cuttings 1927-1928, PH VIII. 1928
• Cordwood cuttings, PH III and PH IV. 1942
• Cordwood salvage, 1942, PH III, Hd-1. 1944
• Cordwood stands, PH VII. 1924
• Cordwood, PH VII. 1925
• Correlation of Pseudoparmelia caperata Area and Age of Path-side Acer rubrum in Harvard Forest. 2001
• The course of vegetation on a Prospect Hill stream. 1976
• Criteria for determining land use history in the Harvard Forest. 1986
• CRUI Land Use Project on Prospect Hill 1996. 1996
• CRUI Progress Report, Summer 1996. 1996
• CTFS - Mega Plot at Harvard Forest. 2007-2011
• Cutting gray birch and scattered pines, PH II-IV. 1927
• Cutting of 1935-1936, PH VIII. 1938
• Cutting operations - thinning, PH I, 26N. 1961
• Cutting, stand P-6, 22.9 a, PH VIII. 1930-1931
• Cutting, stand P-6, 22.9 a, PH VIII, 28-C. 1930-1931
• Cuttings of 1936-1937, PH I. 1937
• Cuttings of 1936-1937, PH VII. 1937
• Cuttings of 1936-1937, PH VIII, P-7, 1.4a. 1937
• Damage done by the Northern Pileated Woodpecker (Coephloeus pileatus) to white pine, spruce, and hemlock on the Harvard Forest. 1913
• Deer Herbivory Patterns in Relation to a Major Road. 2004
• Dendrometer studies - effects of fertilizers on diameter growth. 1975
• Deposition of ice on trees from February 1962 storm, PH I. 1962
• Descriptions of 25 marked trees on the Prospect Hill Tract: location unknown. 1912
• Development of the root system of northern red oak - Harvard Forest Paper No. 21. 1970
• Differences in species compositions of secondary forests on old cultivated fields and pastures on the Harvard Forest. 1984
• Diskette inventory for TS, PH, HF Long Term Studies, LTER documents, GIS maps, Pisgah, and Lyford tree mapping. 1994
• Distribution of the Osmunda cinnamomea L. and Osmunda claytoniana L. in relation to natural soil drainage and forest cover. 1964
• Distribution of white ash and red oak roots within the soil. 1976
• Drawings and notes of plants at Prospect Hill and Tom Swamp. 1982
• Dynamic interaction between forest and atmosphere. 1991
• Early Agriculture in Petersham (excerpt from HF Bulletin No. 20). 1941
• Earthworm studies including list of references. 1961-2017
• Eastern hemlock and its relationship to the silviculture of the Harvard Forest. 1950
• Eastern Hemlock Shading and the Effects on Air, Ground and Water Temperatures. 2001
• The Effect of Climate on Tree- Ring Width in Massachusetts and Rhode Island (Selected Sites). 1968
• Effect of Cover Density on Weevil Damage in Mixed Pine Hardwood Stands - Harvard Forest 1954-1958. 1951-1959
• The effect of fire on areas of the Prospect Hill tract of the Harvard Forest. 1986
• The effect of frost on the establishment of white ash in plantations. 1938
• The effect of mound and pit microrelief on the growth of several red pine and red pine- white spruce. 1954
• Effect of Soil Saturation and Beaver Activity on the Growth of Eastern Hemlock (Tsuga canadensis L.). 2001
• Effectiveness of basal sprays in weeding forest stands (formerly Exp. 52-1, Active Research files). 1952
• Effects of Dispersant Amounts and Organic Matter Oxidation on Soil Texture Analysis Results. 1994
• Effects of fertilizers on tree growth, root distribution, and soil properties (formerly Exp. 69-1, 69-2, Active Research files). 1969
• The effects of fire on a northern hardwood stand in the Harvard Forest. 1984
• The effects of fire on the Prospect Hill tract. 1989
• Effects of forest type, organic soil depth, and leaf litter properties on the growth of Lycopodium obscurum and Gaultheria procumbens. 2006
• The Effects of Human Impact on the Borders of the Harvard Forest: A study of three development sites. 2006
• The effects of mineral islands on peatlands of the Harvard Forest. 1986
• Effects of Pruning on Red Pine (Prospect Hill III, Exp. 53-1). 1953
• Effects of the Daily Timecourse of Light Availability on the Sun-Shade Responses and Regeneration of Birch Seedlings. 1991
• The effects of the leaf litter layer on the temperature of forest soil. 1988
• EMS biometric plots green canopy leaf samples since 1998. 1998-2008
• EMS logbooks and biometric plot field notes 1991-2022. 1991-2022
• EMS Tower. 1988-1989
• EMS Tower Plot Tree Cores 2012. 2012
• Estimate of pure pine plot, Prospect Hill VI, 1914. 1914
• European larch - white pine plantation, PH I, Lr 2, .6. 1931
• European larch plantation, PH I. 1927
• European Larch plantation, PH I, Lr-1 (1937), Plantation 13-B. 1938
• European larch plantation, PH VII, Lr-1. 1925
• European larch plantation, PH VII, Lr. 1, .4, 1931. 1931
• European larch, PH VII, Lr-1, 14d, .3. 1931
• European larch, PH VII, V.6. 1924
• Examining Soil Content and Coloration, Due to Stand Content and Land Use History. 2001
• Exotic arboretum S-1/2, PH II. 1944
• Exp. 40-1 Post hurricane regeneration sample plots, P-3; Prospect Hill Tract. 1942
• Exp. 40-1 Post hurricane succession sample plots, P-5; Prospect Hill Tract. 1941
• Exp. 45-1 Dendrometer Measurement of Thinning Effectiveness.. 1945-1948
• Experiment 45-1 Dendrometer Measurement of Thinning Effectiveness. 1945-1947
• Experimental mixture 1913, PH V, Mx-Sd-1, 13-F. 1918-1943
• Factors affecting the distribution and growth of mountain laurel in central Massachusetts. 1981
• Factors Contributing to Mountain Laurel Distribution. 2001
• Factors controlling the quality of the second-growth white pine in New England. 1921
• Factors moderating red spruce growth patterns in mixed stands: the role of canopy classification and stem spacing. 1989
• Farming the rocky soil: A study of a stone wall and the land it came from. 1983
• Field impregnation of entire trees (formerly Exp. 41-5, Active Research files). 1941
• Field propagation of poplar cuttings, PH III and IV. 1944
• Field, laboratory, and model comparisons of soil gas flux measurements. 1995
• Figures Showing Area, Volume, and Increments by Species and Class for Prospect Hill, Tom Swamp, and Slab City 1927-1956. 1925-1956
• First and second year survival, growth, and physiology of transplanted birch and maple seedlings on five microsites. 1990
• First year results of plantations in New England. 1912
• Fisher House - Historical Photograph.
• Fisher House Renovations and Views of Cow Pasture. 1996
• Follow-up of Goodlett's geobotanical studies in the Athol quadrangle. 1989
• Fomes annosus (Fr.)Cke. on Prospect Hill red pine (P. resinosa Ait.) plantations in the Harvard Forest. 1955
• Forest Cottage Gridded Tract Activities 1960-1976. 1957-2001
• Forest floor study-wt., thickness, nutrients, chemistry, etc. 1968
• Forest hollow and Black Gum Swamp basin morphometry. 1988-1989
• Forests and soils found on distinct sites in the Prospect Hill Tract. 1912
• Former Sanderson Tannery Site: Notice of Activity and Use Limitation. 2010-2016
• Frost damage to white oak. 1961
• Fungi in April. 1988
• Fungi in the Harvard Forest. 1984
• Gap partitioning among maples (Acer) in the forests of central New England. 1990
• A general description of forest types on Prospect Hill Tract. 1911
• Geobotanical studies in the Athol quadrangle, Massachusetts. 1954
• Geotechnical Report for Proposed Research Towers on Prospect Hill. 2013
• Gould Woodlot History. 1738-2008
• Gradients of bryophytes in Black Gum Swamp. 1988
• Grid maps of 100 x 100 foot squares, Prospect Hill I-VIII. 1960-1979
• Growth of spruce in a peat bog, PH VII. 1913
• Growth of white pine in hardwood stands, Tom Swamp. 1980
• Growth study of red pine in thinned and unthinned stands, Plantation 26-N, Prospect Hill I. 1948
• The gypsy moth. 1981
• Habitat and Tree Preference of Pileated Woodpeckers. 2001
• Hardwood stand, PH I. 1961
• Harvard Forest 1945 Prospect Hill Block. 1945
• Harvard Forest backyard, 1925. 1925
• Harvard Forest Community House First Floor.
• Harvard Forest Community House First Floor.
• Harvard Forest Community House First Floor 1946. 1946
• Harvard Forest Community House Second Floor.
• Harvard Forest Community House Second Floor.
• Harvard Forest Crew, PH III. 1935
• Harvard Forest Hemlock Vegetation Sampling. 1995-2002
• Harvard Forest Hemlock Vegetation Sampling - 2012. 2012
• The Harvard Forest Models: Is That the Way It Really Was. 1986
• Harvard Forest Properties (compartment IX). 1934
• Harvard Forest Properties - Prospect Hill IX 1934. 1934
• Harvard Forest Prospect Hill Block Hare Range Maps. 1938
• Harvard Forest Prospect Hill Block Hare Range Maps. 1938
• Harvard Forest Prospect Hill Block Hare Range Maps. 1938
• Harvard Forest Prospect Hill Block Hare Range Maps. 1938
• Harvard Forest Prospect Hill Block Hare Range Maps. 1938
• Harvard Forest Prospect Hill Block Soils and Vegetation Survey 1992. 1992
• Harvard Forest Prospect Hill Tract Petersham and Phillipston as recorded in Worcester Registry of Deeds. 1908
• Harvard Forest Roads and Trails - Development Plan. 1946
• Harvard Forest soil map reclassification documents. 1993-1995
• Harvard Forest Tract Negatives and Photographs. 1954-1979
• Harvard Forest--Notes on vegetation. 1933
• Harvard School of Forestry Class of 1911. 1911
• Harvard Stands Natural Forest Prospect Hill - overlays. 1955
• Harvest Planning - Prospect Hill I and II. 1990
• Headquarters, PH II. 1910-1941
• Hemlock and Little Prospect Hill Towers- Soil Water Content. 1997-2007
• Hemlock Grid. 1998-2014
• Hemlock grid survey. 1990
• Hemlock Grid Tree Cores 1990. 1990
• Hemlock Grid, Prospect Hill II, Winter Storm Damage. 1993-1994
• Hemlock stand cores. 2000
• Hemlock Tower leaf litter since 2011. 2011-2016
• Hemlock versus Hardwood streams. 2006
• Hemlock Woodlot figures. 1997
• Hemlock, pH, and soil moisture gradients. 1988
• Historical reconstruction of a hemlock stand near Osa's Hollow in the Harvard Forest, Petersham, Massachusetts. 1989
• History and distribution of spruce in central Massachusetts - Notes. 1985
• History and Land-use Regulations for Harvard Forest Properties. 1733-2001
• A history and mensurational study of red pine on plantation 27-C, Prospect Hill. 1956
• History of land use on the Prospect Hill tract of the Harvard Forest. 1982
• History of Sanderson family. 1620-1884
• History of Treatment, PH III, P-13 (9-A), 1937. 1942
• History of Treatment, PH IV, P-4. 1942
• History, analysis and proposed treatment for a mixed hardwood stand at the Harvard Forest. 1977
• Hogging Slash and Small Saplings. 1946
• Holocene Paleoecology of a Forested Peatland in Central New England, U.S.A. 1988-1991
• Horizontal and vertical pH gradients in soils under Tsuga canadensis in the Harvard Forest. 1988
• Human Modification of the Landscape. 2003
• Hurricane clean-up in white pine plantation 11-A, P-5; Prospect Hill Tract. 1939
• Hurricane damage in red pine plantation, P-1; Prospect Hill Tract. 1939
• Hurricane damage in white pine plantation, P-4; Prospect Hill Tract. 1939
• Hurricane damage in white pine spacing experiment 16-C, P-8; Prospect Hill Tract. 1939
• Hurricane damage to larch plantation, Lr-1; Prospect Hill Tract. 1938
• Ice damage to red pine and spruce, December 1961, PH I. 1962
• The Impact of Beaver Activity Upon a Pre-Existing Wetland in the Harvard Forest. 2002
• Importance of unevenness in forest structure: A new index for description. 1989
• Improvement cutting and thinning, PH V. 1951
• Improvement cutting and thinning, PH VI. 1951
• Improvement of weeviled white pine plantation, PH I, P-5, 1.2 acre (1932). 1932-1933
• Improvement of young white pine plantations - pruning forked trees, PH II. 1933
• Indices of Harvard Forest slides, photographs, and aerial photographs, Index of Tom Swamp Pulldown file in Harvard Forest Archives, 1989-1998. 1989-1998
• The indirect damage caused by beavers and its effect on the surrounding environment. 2000
• Individual and stand level studies of two conifer plantations at Harvard Forest. 1988
• Influence of small fossorial mammals on soil development in central New England. 1970
• The influence of stone walls on local overstory and sapling populations in the Harvard Forest. 1989
• The influence of stone walls on the local distribution of small mammals in deciduous forest. 2000
• Inheritance of white pine growth factors (formerly Exp. 24-1, Active Research files). 1924
• Initial Exploration of Hydrometeorological Data and Opportunities at Harvard Forest. 2003-2012
• Inspection of the progressive spread of Fomes annosus in red pine plantations (formerly Exp. 58-2, Active Research files). 1958
• Interview with Ray Bryant. 2003
• Invasive tendencies of non-native red pine, white spruce, Norway spruce, and European larch stands in New England. 2000
• Investigating the relationship between forest composition and water table height. 2005
• Investigations of the results on white pine of the removal of a hardwood overstory and shading of gray birch to prevent sprouting. 1914
• IUFRO Norway spruce plantation, PH III, 44-B. 1944
• IURFO seed source or provenance experiment on Norway spruce. 1938-1984
• James W. Brooks Deeds and Correspondence. 1906-1973
• Japanese larch plantation, PH I, Lr.3, 15 acre. 1931
• John Sanderson's farm: personal history and the power of nature. 1979
• John Sanderson: How he farmed--soil productivity and nutrient budget of Sanderson farm. 1974
• Journal of work at the Harvard Forest,1940. 1940
• Key List - White Birch Ecotypes, Wang Chi-Wu Collection. 1957
• Land clearing and early agriculture in the Prospect Hill Tract. 1964
• Land Use History of Natural Stand. 1947
• The Land-use and Silvicultural History of a Natural Stand, Prospect Hill VIII. 1949
• Land-use history and Vegetation Dynamics of a Hemlock Woodlot in Central Massachusetts. 1997
• Landscape History: Prospect Hill II Trail. 2002
• Larch at Locust Opening, PH VII. 1917
• Leaf Display Flexibility in Forest Trees. Ph.D. research: 1997-2001. 1997-2001
• The light environment of red oak and white pine stands and its effect on the growth of red oak advanced reproduction in central New England. 1986
• Little Prospect Hill and Hemlock Tower Litterfall. 2002-2016
• Local Volume Table; Prospect Hill VI. 1951
• Location of coarse woody debris incubations in PH I. 1990-2001
• Log Salvage Records, April-September 1977. 1977
• Logging and thinning in spruce plantation, PH V, 16E and 19C. 1945
• Logging operation 1928-1929, PH III. 1929
• Logging operations, Stand 7, south portion of the compartment, PH IX. 1963
• Logging with tractor. 1937
• Long Term Dynamics of Hemlock Stands. 1995
• Long Term Dynamics of Hemlock Stands. 1995
• Longitudinal and tangential movement within the sieve-tube system of white ash (Fraxinus americana L.). 1960
• Loss of American chestnut as a gap disturbance in the hemlock forests of Prospect Hill, Harvard Forest. 1989
• Lyford Grid I/VIII Gridded Tract Data and background information. 1992
• Lyford Grid Map with Points. 1969
• Lyford Grid Measurements. 2001-2011
• Lyford Grid overlayed onto 1947 Prospect Hill I and VII map. 1969
• Management Plan for Red Pine - White Spruce Plantation (PHI, Mx-Sd. 5). 1942
• Management Proposal for White Spruce-Red Pine Planatations, PHI Proposal. 1942
• Map showing location of permanent sample plots in natural stand in Prospect Hill. 1944
• Maple Tree Dispersion from Human Constructions. 2005
• Maps used in Sanderson Farm article. 1966
• Material related to construction of towers on Prospect Hill. Includes 1998. LTER supplement proposal. 1998-1999
• MBL Corn Decomposition Study, Background (DISCARDED).
• MBL Corn Decomposition Study, Background (DISCARDED).
• MBL Corn Decomposition Study, Background (DISCARDED).
• MBL Corn Decomposition Study, Control and N15 (STORED AT MBL).
• MBL Corn Decomposition Study, Control and N15 Plots. 1998
• MBL Corn Decomposition Study, Control Plots (DISCARDED).
• MBL Corn Decomposition Study, Control Plots (DISCARDED).
• MBL Corn Decomposition Study, Control Plots (DISCARDED).
• MBL Corn Decomposition Study, Control Plots (DISCARDED).
• MBL Corn Decomposition Study, Control Plots (DISCARDED).
• MBL Corn Decomposition Study, Control Plots (DISCARDED).
• MBL Corn Decomposition Study, Control Samples (DISCARDED).
• MBL Corn Decomposition Study, N15 Samples (DISCARDED).
• MBL Corn Decomposition Study, N15 Samples (DISCARDED).
• MBL Corn Decomposition Study, N15 Samples (DISCARDED).
• MBL Corn Decomposition Study, N15 Samples (DISCARDED).
• MBL Corn Decomposition Study, N15 Samples (DISCARDED).
• MBL Corn Decomposition Study, N15 Samples (DISCARDED).
• MBL Corn Decomposition Study, N15 Samples (DISCARDED). 1996-1997
• MBL Soil Warming Archive Soils.
• MBL Soil Warming Experiment Background. 1995-1996
• MBL Soil Warming Experiment, 5 Year Isotope Studies. 1996
• MBL study of nitrogen dynamics on chronically fertilized plots. 1988
• Measurement of Tree Heights and Live Crown Ratios (formerly Exp 69-1, Active Research Files). 1969-1977
• Measurement of Walter Lyford's PH I and VIII Gridded Areas 1987. 1987
• Measuring diameter increase in young hardwood with a dial gauge micrometer caliper. 1947
• Miscellaneous soil descriptions for ant-mound development - Harvard Forest Paper No. 7 - coarse fragment - Harvard Forest Paper No. 9 - needle ice and fragipan formation studies and Stephens plot. 1972
• Mixed conifers, 37-E, PH III, Mx-Sd-3. 1944
• Mixed plantation 1915, PH VI, 15F. 1918
• Modeling American Chestnut Blight Disease of 1910-1919 in a Present Day New England Hemlock Stand. 2005
• Moose impact around Swamp Road in Harvard Forest. 2006
• Mouse and bird study notes and field data sheets. 1996-1999
• Natural stand, PH I. 1966
• NEON Update on Harvard Forest Sampling. 2016
• The New England forest, with especial reference to the relationship between carpenter ants and woodpeckers. 1969
• New Primary Electrical Equipment Power System Study. 2012-2017
• Newspaper article and stand record documenting the Prospect Hill forest fire of 1957. 1957
• NIGEC Proposal. 1992
• Nitrogen deposition effects on seedling birch behavior. 1989-1991
• Norway spruce plantation, 13-D, PH III, Sp-2. 1944
• Norway spruce plantation, PH V, Sp-2, 2.9, 1929-1930. 1931
• Norway Spruce Plantation, PH V, Sp-3, 2.4, 1929-1930. 1931
• Notes on the chestnut bark disease in Petersham, Massachusetts. 1912
• NSF Award: Revitalizing a field wireless network for research, education and outreach at the Harvard Forest. 2021-2023
• NSF Proposal: Mobile canopy access platform for environmental and physiological research at Harvard Forest.. 2001-2004
• Nursery, PH I. 1910-1923
• Old field pine thinned in 1963 and area fertilized, PH IX, Stand 5. 1963
• Outlines for Harvard Forest case studies (no date). 1996
• Pasture white pine, PH VII. 1924
• The patterns of initiation in the eastern hemlock (Tsuga canadensis). 1986
• Periglacial phenomena and possible aeolian soils in the vicinity of the Harvard Forest. 1952
• Persistence of chestnut in the Harvard Forest. 1969
• Petersham Historical Society Photographs.
• PH V - PH VII. 1951
• PhD Project: Acer rubrum Cookies.
• PhD Project: Betula Lenta Cookies.
• PhD Project: Fagus grandifola cookies.
• Phenology records - 1970. 1970
• PHOREST 2013. 2013-2014
• Photograph Album of Harvard Forest and Other Stands. 1908-1925
• Photographs by D.R. Foster. 2002-2013
• A physiological model of CO2 exchange by hemlock forests in central New England. 1999-2000 Annual Progress Report. 1996-2000
• Plan of Adonai Shomo land. 1897
• Plan of Easement (Underground utilities for Garage - Prospect Hill III). 2006
• Plan of Easement (Underground utilities for Garage - Prospect Hill III). 2008
• Plan of Land in Petersham - Estate of Georgina P. (Fisher) Howland. 1991
• Plan of land owned by Richard Neil Bryant. Petersham. MA. 2007
• Plane Table Traverse of Harvard Farm 1911. 1911
• Plantation - 1909, PH II. 1915-1923
• Plantation - 1912, PH III. 1915-1916
• Plantation - 1917, PH I. 1918
• Plantation 16-A, PH V. 1918-1923
• Plantation 1915, PH I. 1918
• Plantation 1915, PH VI, 15F. 1918-1925
• Plantation 27-B, Red pine, Dahurian larch, PH II, Mx-Sd-11. 1944
• Plantation 31-A, Mixed conifers, PH III, Mx-Sd-1. 1944
• Plantation A - 1912, PH III. 1918
• Plantation A - 1916 spacing, PH III, 16-B. 1918
• Plantation A 1913, PH VIII 13-G. 1918
• Plantation B - 1913, PH III. 1918
• Plantation B - 1916, PH III. 1918
• Plantation B 1914, PH VII. 1918-1921
• Plantation C, 1915, PH V. 1918
• Plantation D - 1915, PH III. 1918
• Plantation F, Exp 2 - 1916, PH III. 1916
• Plantation Maps of Prospect Hill Tract. 1946
• Plantation on old pasture, PH IV, P-6. 1928
• Plantation Seed Bank - PH 25H and Fisher Pine. 2008
• Planted cut over cordwood area, PH VII, 1926-27 cordwood cutting. 1928
• Planted white spruce, PH II arboretum. 1928
• Planting, PH II. 1910
• Polypodium virginianum study. 1975
• Ponderosa pine plantation, 15-B, PH III, P-5. 1944
• Poplar (aspen) propagation by cuttings (formerly Exp. 43-3, Active Research files). 1943
• Porcupine damage to European larch; PH I, Mx-Sd-3. 1944
• Porcupine damage, PH V. 1925
• Porcupine girdling; PH V. 1924-1925
• Post Hurricane Regeneration Study. 1940
• Post logging scenes, Northwest quarter of compartment, PH V. 1961
• Post-1938 hurricane stand, PH VIII. 1962
• Preliminary description and evaluation of small forested watersheds on PH III. 1967
• Preliminary Investigation of the Utilization Possibilities of Hardwood Timber. 1949
• A preliminary report of an experiment in the grafting of birch. 1952
• A preliminary study of the palynology and paleoecology of Osa's Hollow, Harvard Forest, Petersham, Massachusetts. 1988
• Preparatory shelterwood cutting and hormone spray experiment, PH V. 1951
• Primer to the soils of Sanderson's farm. 1975
• Prints of Scanned Historical Photographs, 2007. 1909-1941
• Problem Number Three: The Amount of Organic Matter in Soils Under Four Vegetation Types. 1948-1949
• A profile of the Black Gum Swamp. 1984
• Proposal - NSF MRI Program -- Wireless 1000-acre Classroom and Laboratory for Harvard Forest. 2008
• Proposal to NSF--Forest ecology, soil microbiology and environmental monitoring at Harvard Forest (not funded). 1989
• Proposal to update land-use map and complete Prospect Hill soil survey - 1995 field season. 1995
• Proposed Primary Electrical and Communications Distribution System Upgrade. 2013
• Prospect Hill 1908 Stand Map. 1908
• Prospect Hill 1919 Stand map. 1919
• Prospect Hill 1923 Stand Map. 1923
• Prospect Hill 1929 Stand Map. 1929
• Prospect Hill 1930 Stand Map. 1930
• Prospect Hill 1934-1935 Cutting Areas. 1934-1935
• Prospect Hill 1937 Plot Location - David Foster Research HF 1995-26a. 1937
• Prospect Hill 1937 Plot Location - David Foster Research HF 1995-26a. 1992
• Prospect Hill 1937 Plot Location - David Foster Research HF 1995-26a. 1992
• Prospect Hill 1937 Plot Location - David Foster Research HF 1995-26a. 1937-1992
• Prospect Hill 1937 Stand Map. 1937
• Prospect Hill 1938 hurricane damage. 1938
• Prospect Hill 1938 Hurricane Damage. 1938
• Prospect Hill 1938 Hurricane Damage Compartment I. 1938
• Prospect Hill 1938 Hurricane Damage Compartment II. 1938
• Prospect Hill 1938 Hurricane Damage Compartment III. 1938
• Prospect Hill 1938 Hurricane Damage Compartment IV. 1938
• Prospect Hill 1938 Hurricane Damage Compartment IX. 1938
• Prospect Hill 1938 Hurricane Damage Compartment V. 1938
• Prospect Hill 1938 Hurricane Damage Compartment VI. 1938
• Prospect Hill 1938 Hurricane Damage Compartment VII. 1938
• Prospect Hill 1938 Hurricane Damage Compartment VIII. 1938
• Prospect Hill 1941 Soil Survey. 1941
• Prospect Hill 1946 Stand Map. 1946
• Prospect Hill 1951 Base map with trails, stonewalls and buildings. 1951
• Prospect Hill 1951 base map with trails, stonewalls, and buildings. 1951
• Prospect Hill 1956 Stand Map. 1956
• Prospect Hill 1970 Base map with trails, roads, stonewalls, cellar holes, and buildings.. 1970
• Prospect Hill 1992 Base Map With Trails, Roads, Stonewalls, Cellar Holes, & Buildings. 1992
• Prospect Hill Barn Wireless Tower Plans and Correspondence. 2009
• Prospect Hill Block - Forest Operations. 1960
• Prospect Hill Block - Plantations 1915. 1915
• Prospect Hill Block 1938 Stand Type. 1938
• Prospect Hill Block 1956 Cruise of Timber. 1956
• Prospect Hill Block 1958-1960 Forest Operations. 1958-1960
• Prospect Hill Block Future Operations. 1946
• Prospect Hill Block Harvard Forest Stand Map 1946 Plantations - Cover at Time of Planting. 1946
• Prospect Hill Block Land Use Map 1850. 1850
• Prospect Hill Block Plantation Reassessment. 1958-1960
• Prospect Hill Block Plantations. 1946
• Prospect Hill Block Plantations - 1917. 1917
• Prospect Hill Block Standing Timber by Type. Volume. and Quality-Overlay - 1956. 1956
• Prospect Hill Block Topography Map. 1945
• Prospect Hill Block, Open Land, Ponds, & Unclassified. 1946
• Prospect Hill Compartment X Deeds. 1850-1992
• Prospect Hill Cultural Features. 1830-2004
• Prospect Hill Debris/Experiment Mapping Project. 1995-1996
• Prospect Hill Disturbance. 1921-1995
• Prospect Hill Experimental Blowdown. 1990
• Prospect Hill Fire Tower.
• Prospect Hill Fire Tower: Installation of Wireless Equipment, FCC, Handheld Radios. 2006-2015
• Prospect Hill Fire Tower: Multiple Site Memorandum of Agreement. 2005-2007
• Prospect Hill forest inventory maps (originals). 1937
• Prospect Hill Forest Operations. 1920
• Prospect Hill Forest Operations 1-3.
• Prospect Hill Forest Operations 1962-1963. 1962-1963
• Prospect Hill Forest Types 1913. 1913
• Prospect Hill Forest Types 1923. 1923
• Prospect Hill Forest Types 1986-1992. 1986-1992
• Prospect Hill Forest Vegetation Study - Mineral Soils 2013. 2013
• Prospect Hill Forest Vegetation Study - Organic Soils 2013. 2013
• Prospect Hill I - Forest Inventory. 1936
• Prospect Hill I Mineral Soils. 1992-1993
• Prospect Hill I Organic Soils. 1992-1993
• Prospect Hill I Stand Map 1925 -1927. 1925-1927
• Prospect Hill I Stand Map 1929. 1929
• Prospect Hill I Stand Map 1932. 1932
• Prospect Hill I Stand Map 1937. 1937
• Prospect Hill I-VIII gridded area activities, 1960-1976. 1960-1976
• Prospect Hill II - Background files related to Hemlock Study. 1992
• Prospect Hill II - Forest Inventory. 1936
• Prospect Hill II 1927 Stand Map. 1927
• Prospect Hill II 1929 Stand Map. 1929
• Prospect Hill II 1932 Stand Map. 1932
• Prospect Hill II 1938 Stand Map. 1938
• Prospect Hill II Mineral Soils. 1992-1993
• Prospect Hill II Organic Soils. 1992-1993
• Prospect Hill II Proposed arboretum site. 1941
• Prospect Hill II Stand Map 1926-1927. 1926-1927
• Prospect Hill III - Forest Inventory. 1937
• Prospect Hill III 1928 Stand Map. 1928
• Prospect Hill III 1930-31 Stand Map. 1930-1931
• Prospect Hill III 1936 Stand Map. 1936
• Prospect Hill III 1937 Stand Map. 1937
• Prospect Hill III Mineral Soils. 1992-1993
• Prospect Hill III Organic Soils. 1992-1993
• Prospect Hill III Stand map 1926-27. 1926-1927
• Prospect Hill IV - Forest Inventory. 1937
• Prospect Hill IV 1927 Stand Map. 1927
• Prospect Hill IV 1936 Stand Map. 1936
• Prospect Hill IV 1937 Stand Map. 1937
• Prospect Hill IV Mineral Soils. 1992-1993
• Prospect Hill IV Organic Soils. 1992-1993
• Prospect Hill IV Stand Maps 1925-26. 1925-1926
• Prospect Hill IX - Forest Operations.
• Prospect Hill IX Forest Type Map 1947. 1947
• Prospect Hill IX Mineral Soils. 1992-1993
• Prospect Hill IX Organic Soils. 1992-1993
• Prospect Hill IX Stand Map 1935. 1935
• Prospect Hill IX Stand Map 1937. 1937
• Prospect Hill IX Stand map of area west of Administrative Building. 1947-1948
• Prospect Hill Land Use. 1911-1994
• Prospect Hill Land Use. 1830-1995
• Prospect Hill Land Use and Vegetation. 1992-1997
• Prospect Hill Land Use History - 1733-1907. 1733-1907
• Prospect Hill Land Use Study Buried Bag Soil Samples 1995. 1995
• Prospect Hill Land Use Study Forest Floor Samples 1996. 1996
• Prospect Hill Land Use Study Soil Samples 1995. 1994-1995
• Prospect Hill Location of Experiment 44-8 Sample Plots. 1944-1956
• Prospect Hill Map of Cutting Operations - 1916. 1916
• Prospect Hill old woodlot watershed hydrology. 1974
• Prospect Hill Operations 4-6.
• Prospect Hill Operations 7-10.
• Prospect Hill Plantations. 1919
• Prospect Hill Plantings - 1942. 1942
• Prospect Hill Pulldown: Damage Assessment, Mapping, Baseline Data 1989-1990. 1989-1990
• Prospect Hill Pulldown: Leafout and Sprout Data. 1990-1993
• Prospect Hill Pulldown: Summary Statistics and Data Analysis, 1991. 1992
• Prospect Hill Pulldown: Tree Damage Maps. 1993
• Prospect Hill scenes. 1961
• Prospect Hill Seed Bank Study. 1995
• Prospect Hill Soil Disturbance map. 1995
• Prospect Hill Soil Warming & Nitrogen Min. Samples. 2013
• Prospect Hill Soil Warming - Fine Roots 2014. 2014
• Prospect Hill Soil Warming - Nitrogen Mineralization Soils 1998. 1998
• Prospect Hill Soil Warming - Nitrogen Mineralization Soils 1999. 1999
• Prospect Hill Soil Warming - Nitrogen Mineralization Soils 2001. 2001
• Prospect Hill Soil Warming - Nitrogen Mineralization Soils 2002. 2002
• Prospect Hill Soil Warming - Nitrogen Mineralization Soils 2007. 2007
• Prospect Hill Soil Warming - Nitrogen Mineralization Soils 2016. 2016
• Prospect Hill Soil Warming - soil for CHN analysis 1992. 1992
• Prospect Hill Soil Warming - Soils 2007. 2007
• Prospect Hill Soil Warming - Trenched Plot Soils 2002. 2002
• Prospect Hill Soil Warming 1996-1997. 1996-1997
• Prospect Hill Soils. 2003
• Prospect Hill Soils 1944. 1944
• Prospect Hill Stand and Plantation map - 1919. 1919
• Prospect Hill Study Plots 1992. 1992
• Prospect Hill Study: Moss data, NRCS soils data, and plot information. 1992-1995
• Prospect Hill Study: Soil Survey 1992-1993 (3 folders). 1992
• Prospect Hill Study: Stand Records and GIS Summaries. Plots 1-269. 1995
• Prospect Hill Study: Vegetation Survey, 1992 (2 folders). 1992
• Prospect Hill Tract - Stand Records. 1908-2011
• Prospect Hill Tract 1910 Topographic map. 1910
• Prospect Hill Tract Original Proprietors Grants. 1733-1771
• Prospect Hill Type Map - 1913. 1913
• Prospect Hill Ultimate Type Distribution - 1944. 1944
• Prospect Hill V - Forest Inventory. 1937
• Prospect Hill V 1929-1930 Stand Map. 1929-1930
• Prospect Hill V 1931 Stand Map. 1931
• Prospect Hill V 1935 Stand Map. 1935
• Prospect Hill V 1937 Stand Map. 1937
• Prospect Hill V Mineral Soils. 1992-1993
• Prospect Hill V Organic Soils. 1992-1993
• Prospect Hill V Stand Map 1925, 1926, 1927. 1925-1927
• Prospect Hill VI - Forest Inventory. 1937
• Prospect Hill VI 1929 Stand Map. 1929
• Prospect Hill VI 1937 Stand Map. 1937
• Prospect Hill VI Mineral Soils. 1992-1993
• Prospect Hill VI Organic Soils. 1992-1993
• Prospect Hill VI Stand Maps 1925-1927. 1925-1927
• Prospect Hill VII - Forest Inventory. 1937
• Prospect Hill VII - Forest Inventory Traverse Map. 1936
• Prospect Hill VII 1927 Stand Map. 1927
• Prospect Hill VII 1929 Map. 1929
• Prospect Hill VII 1929 Stand Map. 1929
• Prospect Hill VII 1931 Stand Map. 1931
• Prospect Hill VII 1937 Stand Map. 1937
• Prospect Hill VII Mineral Soils. 1992-1993
• Prospect Hill VII Organic Soils. 1992-1993
• Prospect Hill VII Stand Maps 1924 and 1925-27. 1924-1927
• Prospect Hill VIII - Forest Inventory. 1937
• Prospect Hill VIII 1929 Stand Map. 1929
• Prospect Hill VIII 1931 Stand Map. 1931-1932
• Prospect Hill VIII 1935 Stand Map. 1935
• Prospect Hill VIII 1937 Stand Map. 1937
• Prospect Hill VIII Mineral Soils. 1992-1993
• Prospect Hill VIII Organic Soils. 1992-1993
• Prospect Hill VIII Stand Map 1925 and 1926-28. 1925-1928
• Protocol for 15N additions to chronic N plots at Harvard Forest. 1991
• Pruning and topping plot, Prospect Hill VI. 1931
• Pruning experiment in Norway Spruce, PH V, plantation 16-D. 1936
• Pruning weeviled plantation, PH III. 1928
• Pruning white pine - selectively, PH I, P-5 (1937). 1927-1932
• Pruning, PH I. 1930
• Ragweed Seeds 2012. 2012
• Rebuilding French Road Inn: a Historical and Archaeological Survey. 2006
• Recent Successional Processes Investigated by Pollen Analysis of Closed-Canopy Forest Sites. 1987-1989
• Reclamation of weeviled white pine; SC I, PH I and VI (formerly Exp. 30-1, Active Research files). 1930
• Reconstruction of 1937 Vegetation Plots - research maps. 1980
• Reconstruction of Asa's Hollow (PH II). 1988
• Recovery and Morphology of Pinus Resinosa Ait. Trees 50 Years After They Were Displaced by A Hurricane. 1989
• Red and scotch pine plantation, PH VI. 1921
• Red and white pine plantation, PH VI, 15F. 1931
• Red maple and white pine, PH I. 1966
• Red maple coppice stand, PH VII. 1949
• Red pine - white spruce plantation, PH I, Mx Sd -5, 5.0. 1931
• Red pine and white spruce planted on cut-over cordwood land, PH VIII, Mx-Sd-1-1927, 25-C. 1928
• Red pine on cut over cordwood land, PH II. 1924-1944
• Red pine plantation before thinning operation of 1960-1961, PH I, 25K. 1961
• Red pine plantation on cut-over cordwood land, PH I- P10 (1925). 1928
• Red pine plantation prior to cutting, PH I, C-1960. 1960-1961
• Red pine plantation, 22-B, PH III, P-1. 1944
• Red pine plantation, 25-L, White spruce plantation, 25-F, PH III, P-3, Sp-1. 1944
• Red pine plantation, PH V, P-6, .5, 1929-1930. 1931
• Red pine plantation, PH VI. 1918
• Red pine plantation, PH VI.
• Red pine pruning experiment, PH III. 1936
• Red pine thinning plots in PH VI. 1930
• Red pine, PH I, 25H. 1969
• Red pine, PH I, 25K. 1966
• Red pine-white spruce plantation in mowing, PH I, Mx Sd-5 (1926). 1928
• Red pine-white spruce plantation on cut-over cordwood area, PH I, Mx Sd-4 (1925). 1928
• Red pine-white spruce plantations, PH I, Mx Sd-5, 4.5 acre. 1937
• Red squirrel damage to coniferous plantations and its relation to changing food habits. 1928
• Red squirrel damage, PH VII. 1924-1925
• Red squirrel damage, PH VIII. 1924-1925
• Regeneration in Small Forest Openings - Prospect Hill IX. 1983-1985
• Regeneration Survey - Prospect Hill I. 1990-2014
• The regrowth of hardwood sprouts resulting from repeated weedings. 1930
• The relation of the incidence of Fomes annosus root rot in red pine plantations to thinning methods (formerly Co-Exp. 56-1, Active Research files). 1956
• The Relative Abundance of the Juvenile Phase of the Eastern Red-Spotted Newt in Eastern Hemlock-dominated and Mixed Deciduous Stands at Harvard Forest. 2003-2012
• Relative Growth Rates of Conifers in Wet and Dry Habitats. 2001
• The release of eastern hemlock by the death of American chestnut on Prospect Hill IV. 1948
• Releasing volunteer white pine, PH I. 1919
• Releasing, PH I. 1911
• Releasing-Sample Plots, PH I. 1915
• Remote Sensing of Forest Canopy Chemistry. 1989
• Report on a Seven Acre Forest Fire on Prospect Hill III and Plantation 37-E.. 1947
• Report on cordwood cutting and improvement cuttings in the western portion of northeast Prospect Hill (PH II and PH VIII). 1909
• Report on measurements of volume of water flow. 1975
• Report on the Field Trips to the Harvard Forest. 1952
• Report on White Spruce in Plantations. 1942
• Report upon the cordwood cuttings of the Prospect Hill tract and the effect upon reproduction. 1912
• Reproduction improvement with foliage sprays of 2-4-5-T (formerly Exp. 58-1, Active Research files). 1958
• Reproduction, thinning, improvement, and salvage, PH VII-D-1949. 1949
• Research at the Harvard Forest - Final Project. 2004
• Research notes on bryophytes. 1993-1995
• Response of maple and birch to experimentally-created canopy gaps. 1988
• Response of maples to understory soil moisture addition. 1986-1988
• The response of understory hemlock to mortality of overstory chestnut. 1992
• Revisions to Prospect Hill map. 1979
• Rhizotron root studies. 1973
• The Role of Dead Trees in Ground-Level Biodiversity at the Harvard Forest. 2001
• Root competition plot, PH I. 1944
• Root exposure studies of mixed species stands. 1970
• Rules for Research at Harvard Forest Using Drones. 2014
• Salvage cutting in red pine plantation, PH I, P-7 (37). 1944
• Salvage cutting of 1943, PH VI, P-Cd-1. 1944
• Salvage of the blowdown of Nov 25, 1950, PH V, 19C and 16E. 1951
• Salvage-clearcutting of two 200' strips, PH V. 1951
• Sample plot, PH I. 1921
• Sample plots of volunteer stands in Prospect Hill and Slab City tracts. 1944
• Sanderson Tannery. 2010
• Sanderson Tannery - 2010 Archaeological Investigation. 2010-2015
• Sanderson Tannery - 2010 Archaeological Investigation Artifacts. 2010
• The Sanderson Tannery Historical Site at the Harvard Forest: An Archaeological and Historical Baseline. 2008-2009
• Scotch pine, PH VIII. 1918
• Scotch pine-hemlock plantation, PH I, Mx Sd-3, 1.8. 1931
• SE11 100x100 ft. Block of Lyford Grid. 1969-1991
• SE21 200x100 ft. Block of Lyford Grid. 1969-1991
• SE31 300x100 ft. Block of Lyford Grid. 1969-1991
• SE41 400x100 ft. Block of Lyford Grid. 1969-1991
• SE51 500x100 ft. Block of Lyford Grid. 1969-1991
• SE61 600x100 ft. Block of Lyford Grid. 1969-1975
• Seed dispersal and disturbance as factors limiting the distribution of rare plant species: a long-term ecological research site supplemental request for the Harvard Forest site. 1989
• Seedling Experiment, PH II.
• Sex-associated Characters of Dioecious Species (White Ash, Juniper and Aspen). 1949
• Shade and other influences in plantation success in Petersham. 1913
• Short-run effects of Castor canadensis on a temperate forest. 2000
• Shrub distribution and dynamics in central Massachusetts forests. Proposal to NSF Ecology Research Grants. 1992
• The Silvical Characteristics of Eastern Hemlock, and Its Growth in Plantations. 1942
• Silvicultural report on the logging operations of 1910-1911: PH I, III, IV, V. 1913
• Silviculture, Land-use history and Vegetation of a Mixed Hardwood Stand. 1923-1948
• The site characteristics of young Tsuga canadensis in terms of light and small scale topography. 1990
• Ski mobiles, PH I and PH II, Locust Opening Road. 1969
• Slash burning operations - mostly gray birch tops. 1963-1964
• Snow Cover and Its Correlations to Tree Cover in New England Stands. 2001
• Snow-covered area from Locust Opening Road, PH II, Red pine, 19B. 1969
• Soil moisture in three contrasting freely drained soils of the Harvard Forest. 1976
• Soil profiles in Prospect Hill trench. 1989
• Soil survey of the Harvard Forest - Prospect Hill, Slab City, Tom Swamp Blocks with updated comments by Lyford. 1941
• Soil trench studies showing intricate soil patterns - Used in 1974 narrow soils paper in Geoderma 11: 195-208. 1967
• Soil Warming Archive Soils.
• Soil warming experiment on Prospect Hill. 1990-1991
• Soil Warming Plus Nitrogen Addition Experiment at Harvard Forest since 2006. 2006-2017
• Soil water relationships in stream source areas. 1975
• Soil-water relations at the headwaters of a forest stream in New England - Harvard Forest Paper No. 22. 1980
• Soils. 1930
• Soils and Land Use Lab Data. 1993-1994
• Soils and land-use history. 1992
• Spacing experiment, PH III, P-8, 16-C. 1935
• Species distribution on a wooded slope from Black Gum Swamp to nearby drylands. 1989
• The Spread of Norway Spruce through the Harvard Forest. 2006
• The sprouting pattern of the American chestnut at the Harvard Forest. 1986
• Squirrel budding, PH II. 1938
• Squirrel budding, PH VIII. 1938
• Squirrel budding, PH VIII. 1938
• Squirrel budding, PH VIII. 1938
• Squirrel damage, E. larch; PH VIII (Locust Opening). 1924-1925
• Squirrel damage, Larch; PH VII. 1925
• Squirrel damage, larch; PH VII. 1925
• Squirrel damage, Scotch pine; PH VIII. 1925
• Squirrel damage; PH VII. 1925
• Stand map and working map. 1934
• Stones on 1938 windthrow, PH I. 1966
• Story of a Stone Wall: From the Variability of Vegetation and Variability of Soils in Both Sides of a Stone Wall to its Structure and History of the Soil Beneath It. 2002
• Stratigraphic and macrofossil analysis of Gould's bog. 1987
• Striped Maple Distribution in Harvard Forest. 2004
• Studies in bole form of White Pine: Relation between form point and form class. 1925
• Studies on soil fauna - moth and fly larvae, mites and termites. 1970
• Studies on the root system of Acer rubrum L. - includes Harvard Forest Paper No. 10. 1968
• Studies on trees, carpenter ants and woodpeckers. 1970
• A study of branching in white ash with particular reference to the habit of branching. 1939
• A Study of Eccentric Growth in the Main Stems of Red Oak (Quercus rubra L.). 1963
• A study of Pinus resinosa Red Pine Plantations: Optimum Conditions for Growth. 1998
• A study of soil-topography relations on a portion of the Prospect Hill tract: location unknown. 1912
• A study of spatial variation in the forest community along a slope. 1983
• Study of the correlation between Soil Variation and Vegetation. 2006
• A Study of the Ecology and Control of the Canadian Porcupine on the Harvard Forest During the Winter of 1940-41. 1940-1941
• A Study of the Possibilities of a Red Maple Sprout Stand - 21 Years Old. 1949
• Study of the spruce plantations. Case III. 1947
• A Study of the Winter Relations of the Snowshoe Hare in the Harvard Forest. 1937-1938
• A study of variation and intergradation in Lycopodium obscurum. 1984
• A study of water-related growth suppression and release in marsh-established Pinus strobus. 1988
• Stump poisoning experiment. 1926
• Sunscald. 1944
• A survey of a Mountain Laurel population. 1982
• A survey of the French Road stream and related stone work. 1993
• SW00 0x0 ft. Block of Lyford Grid. 1969-1992
• SW01 0x100 ft. Block Lyford Grid. 1969-1992
• SW10 100x0 ft. Block Lyford Grid. 1969-1991
• SW11 100x100 ft. Block Lyford Grid. 1969-1991
• SW20 200x0 ft. Block Lyford Grid. 1969-1991
• SW21 200x100 ft. Block Lyford Grid. 1969-1992
• SW22 200x200 ft. Block Lyford Grid. 1969-1991
• SW30 300x0 ft. Block Lyford Grid. 1969-1991
• SW31 100x300 ft. Block Lyford Grid. 1962-1992
• SW32 200x300 ft. Block Lyford Grid. 1962-1992
• SW33 300x300 ft. Block Lyford Grid. 1969-1992
• SW34 300x400 ft. Block Lyford Grid. 1969-1992
• SW40 400x0 ft. Block Lyford Grid. 1969-1991
• SW41 100x400 ft. Block Lyford Grid. 1962-1992
• SW42 400x200 ft. Block Lyford Grid. 1962-1992
• SW43 400x300 ft. Block Lyford Grid. 1962-1992
• SW44 400x400 ft. Block Lyford Grid. 1969-1992
• SW50 500x0 ft. Block Lyford Grid. 1969-1991
• SW51 500x100 ft. Block Lyford Grid. 1969-1991
• SW51 500x120 ft. Block Lyford Grid. 1968-1978
• SW52 500x200 ft. Block Lyford Grid. 1969-1992
• SW53 500x300 ft. Block Lyford Grid. 1969-1975
• SW60 600x0 ft. Block Lyford Grid. 1969-1975
• SW61 600x100 ft. Block Lyford Grid. 1969-1975
• SW62 600x200 ft. Block Lyford Grid. 1969-1975
• SW70 700x0 ft. Block Lyford Grid. 1969-1975
• SW71 700x100 ft. Block Lyford Grid. 1969-1975
• The Tannery Mill Site at the Harvard Forest. 1992
• Ten Ways to Look at a Stone Wall. 1992
• Thinning and improvement - before and after - openings in canopy, PH II, 24C - Exp 43-1. 1951
• Thinning and improvement - before and after, PH II, 24-C, Exp 43-1. 1951
• Thinning and weeding to release promising crop trees. 1961
• Thinning in progress, Plantation 24-H, PH I. 1959
• Thinning of hardwood stand to encourage white ash and underplanting stand with Norway spruce (formerly Exp. 62-1, Active Research files). 1962
• Thinning operation - before and after - openings in canopy, PH II, 24B. 1951
• Thinning operation - before and after, PH VI - 15F (2). 1951
• Thinning, PH II, Ex 43-1. 1944
• Thinning, PH II, Ex 43-1, Mx-Sd-3 (1937). 1944
• Thinning, PH VI. 1951
• Those damn dams: New England beaver construction methods and recovery from dam wreckage. 2000
• Timber Plantations as Precursors to the Spread of Non-Localized Species into the New England Landscape. 2002
• Timing of Old Farm Abandonment and Early Logging on Prospect Hill. 1770-1980
• Timing of Old Field Abandonment and Early Logging on Prospect Hill. 1775-1960
• Topographical Map of Prospect Hill Tract. 1945
• Topographical Survey of Harvard Farm - 1911. 1911
• Topographical Survey of Harvard Farm - 1911. 1911
• Topography of Prospect Hill, including Camel's Hump and vicinity.
• Transect study and profile of peat of Black Gum Swamp, Prospect Hill Tract. 1984
• Translocation of organic substances in trees. V. Experimental double interruption of phloem in white ash (Fraxinus americana L.). 1962
• Transmittance of visible light in a broad-leaved deciduous canopy. 1998
• Transparent topographic map of Prospect Hill, with wetland/trail overlay.
• Treatment of Red Pine - White Spruce Plantation (PHI Mx-SD5). 1942
• Tree basal area growth and its measurement. 1980
• Tree Growth Ground Biomass- Hemlock Tower and Little Prospect Hill Tower. 2001-2009
• Tree harvesting and its effects on lower order plants. 1990
• Tree regeneration in gaps and intact forest: the role of sprouting and the significance of shade tolerance. 1989
• Tree Ring Response to Over-Story Thinning. 2003
• Tree root distribution studies. 1972
• Tree-coring methods - hemlock grid PH II. 1990
• Trees and natural forces. 1987
• Two Centuries of Land-Use History and Vegetation Dynamics in a New England Cultural Landscape. 2007
• A Two-year Dendrometer Experiment on White Pine, Prospect Hill II, 24D. 1949-1950
• Type classification and soils types on Prospect Hill. 1912
• United States Forest Service Historical Photographs, 1925. 1925
• Unsuccessful attempt to measure soil variation with a cesium magnetometer. 1968
• Updated Land-Use and Completing Prospect Hill Soil Survey- 1995 Field Season. 1994-2003
• Valsa canker (Cytospora) control experiments - effect of fertilizers, inoculum and thinning (formerly Exp. 36-2, 36-4, 37-3, Active Research files). 1937
• Viburnum dentatum as an indicator of soil moisture. 1975
• View from Prospect Hill Fire Tower.
• A View of Burned Versus Unburned Red Pine Sites of Harvard Forest. 1986-1987
• View of plantation from fire tower. 1944
• Views from fire tower, Prospect Hill Tract. 1944
• Views from Prospect Hill, PH V. 1915
• Views of Wachusett Mountain from Prospect Hill Summit 1918 and 1996. 1918-1996
• Warm Ants, Prospect Hill (DISCARDED). 2009-2012
• Warm Ants, Prospect Hill (TRANSFERRED). 2009-2011
• Warm Ants, Prospect Hill, Harvard Forest. 2008-2014
• The Watershed-Stream Correlation: Analysis of Two Streams. 2006
• Weeding hardwoods; PH VII. 1929
• Weeding of planted white pine, PH IV, 0-1. 1944
• Weeding Young Hardwood Stands with Specific Reference to Coppice Conversion, Prospect Hill VIII. 1947
• Weeding, PH I, P-7-.9. 1924
• Weeding, PH IV, 38A. 1944
• A weekend's worth of gold thread. 1975
• The Weevil (Hylobius pales). 1992
• Wetland Projects and Permits. 2005-2025
• White ash provenance study (formerly Exp. 1940-3, Active Research files). 1940
• White pine - white spruce plantation, PH II, 24 A. 1944
• White pine - white spruce plantation, PH II, Mx Sd-1, 24A. 1931
• White pine - white spruce plantation, PH II, Mx Sd-2, 24B. 1931
• White pine - white spruce plantation, PH II, Mx Sd-3, 24C. 1931
• White pine plantation 11-B, PH II, P-6. 1944
• White pine plantation 14-A, PH II, P-2. 1944
• White pine plantation 15-F (2), PH VI, P-7. 1944
• White pine plantation PH VI, P-1 ,15-F (1). 1944
• White pine plantation, 16-B, PH III, P-4. 1944
• White pine plantation, 17-B, PH IV, P-9. 1944
• White pine plantation, 23-A, PH III, P-2. 1944
• White pine plantation, PH III. 1930
• White pine plantation, PH IV, P-9. 1944
• White pine plantation, PH V, P-7, .3, 1929-1930. 1931
• White pine plantation, PH VI. 1917
• White pine seed source experiment plantation, PH I, 24 G. 1944
• White pine spacing experiment, plantation 16-C, PH III. 1916-1936
• White Pine Thinning Experiment (Prospect Hill IX - Exp. 63-1). 1963
• White spruce - Scotch pine plantation, PH I, 24-F. 1944
• White spruce, Prospect Hill I, SP-1, 24H. 1942
• White spruce, white pine and hemlock plantation (1924), PH II, Mx-Sd-4. 1935-1938
• Wilson Lot. 2003-2019
• Winter views, PH I. 1961
• A working plan for the Prospect Hill Tract. 1911
• A working plan for the Prospect Hill Tract. 1913
• A working plan for the Prospect Hill Tract of the Harvard Forest. 1911
• Working plan for the Prospect Hill Tract, including volume estimates by compartments and general species classes. 1915
• Young hardwood stand before improvement cutting, PH IX, Hd-10. 1937