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PH I

• 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
• After thinning of 1959, PH I, 24H. 1960
• Alternate row red pine-white spruce, PH I, Mx. Sd. 5, 25k. 1942
• 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
• 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
• Assay of biodiversity and rates of regrowth in a clear cut red pine plantation at the Harvard Forest. 1992
• An Attempt to Kill Hardwood Sprouts by Copper Nails. 1949
• Before and after clear-cutting operation, PH I, 21-A. 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
• Black gum swamp stand dynamics and growth. 1988
• Black walnut propagation on Prospect Hill. 1940
• The Black-Gum and Tom Swamps: different communities?. 1984
• 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
• Canopy and understory mapping, Prospect Hill IV. 1979
• Characterization of mound and pit topography in the Prospect Hill experimental blow-down. 1989
• Chemical (2-4-D, 2-4-5-T) control of hardwood growth, Prospect Hill IV. 1952
• Clearcutting for cordwood 1942, 1943, PH IV, Cd-1. 1944
• Clearing trees from road. 1961
• Coarse fragments in the Gloucester soils of the Harvard Forest. 1964
• Compartment maps, Harvard Forest. 1927-1929
• 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
• Control plot, PH I. 1921
• Conversion of mixed coppice into sawtimber. 1941
• Cordwood cutting, PH II. 1925
• Cordwood cuttings, PH III and PH IV. 1942
• Cordwood salvage, 1942, PH III, Hd-1. 1944
• Cutting gray birch and scattered pines, PH II-IV. 1927
• Cutting operations - thinning, PH I, 26N. 1961
• Cuttings of 1936-1937, PH I. 1937
• Dendrometer studies - effects of fertilizers on diameter growth. 1975
• Deposition of ice on trees from February 1962 storm, PH I. 1962
• Differences in species compositions of secondary forests on old cultivated fields and pastures on the Harvard Forest. 1984
• Distribution of white ash and red oak roots within the soil. 1976
• The effect of fire on areas of the Prospect Hill tract of the Harvard Forest. 1986
• The effect of mound and pit microrelief on the growth of several red pine and red pine- white spruce. 1954
• Effectiveness of basal sprays in weeding forest stands (formerly Exp. 52-1, Active Research files). 1952
• The effects of fire on a northern hardwood stand in the Harvard Forest. 1984
• The effects of fire on the Prospect Hill tract. 1989
• 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
• 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
• 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
• Factors moderating red spruce growth patterns in mixed stands: the role of canopy classification and stem spacing. 1989
• Field impregnation of entire trees (formerly Exp. 41-5, Active Research files). 1941
• Field propagation of poplar cuttings, PH III and IV. 1944
• First and second year survival, growth, and physiology of transplanted birch and maple seedlings on five microsites. 1990
• Forest Cottage Gridded Tract Activities 1960-1976. 1957-2001
• Forest hollow and Black Gum Swamp basin morphometry. 1988-1989
• Frost damage to white oak. 1961
• Gradients of bryophytes in Black Gum Swamp. 1988
• Growth study of red pine in thinned and unthinned stands, Plantation 26-N, Prospect Hill I. 1948
• Hardwood stand, PH I. 1961
• Harvard Forest Crew, PH III. 1935
• Harvard Forest Properties - Prospect Hill IX 1934. 1934
• Harvest Planning - Prospect Hill I and II. 1990
• Headquarters, PH II. 1910-1941
• Hemlock Grid, Prospect Hill II, Winter Storm Damage. 1993-1994
• 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
• 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 Treatment, PH III, P-13 (9-A), 1937. 1942
• History of Treatment, PH IV, P-4. 1942
• 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
• 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
• Ice damage to red pine and spruce, December 1961, PH I. 1962
• 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
• Individual and stand level studies of two conifer plantations at Harvard Forest. 1988
• The influence of stone walls on local overstory and sapling populations in the Harvard Forest. 1989
• Inheritance of white pine growth factors (formerly Exp. 24-1, Active Research files). 1924
• Inspection of the progressive spread of Fomes annosus in red pine plantations (formerly Exp. 58-2, Active Research files). 1958
• 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
• Japanese larch plantation, PH I, Lr.3, 15 acre. 1931
• The Land-use and Silvicultural History of a Natural Stand, Prospect Hill VIII. 1949
• Landscape History: Prospect Hill II Trail. 2002
• Location of coarse woody debris incubations in PH I. 1990-2001
• Logging operation 1928-1929, PH III. 1929
• Logging operations, Stand 7, south portion of the compartment, PH IX. 1963
• Long Term Dynamics of Hemlock Stands. 1995
• Longitudinal and tangential movement within the sieve-tube system of white ash (Fraxinus americana L.). 1960
• Management Plan for Red Pine - White Spruce Plantation (PHI, Mx-Sd. 5). 1942
• Management Proposal for White Spruce-Red Pine Planatations, PHI Proposal. 1942
• 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
• Measuring diameter increase in young hardwood with a dial gauge micrometer caliper. 1947
• Mixed conifers, 37-E, PH III, Mx-Sd-3. 1944
• Natural stand, PH I. 1966
• The New England forest, with especial reference to the relationship between carpenter ants and woodpeckers. 1969
• Newspaper article and stand record documenting the Prospect Hill forest fire of 1957. 1957
• Nitrogen deposition effects on seedling birch behavior. 1989-1991
• Norway spruce plantation, 13-D, PH III, Sp-2. 1944
• Notes on the chestnut bark disease in Petersham, Massachusetts. 1912
• 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
• The patterns of initiation in the eastern hemlock (Tsuga canadensis). 1986
• Persistence of chestnut in the Harvard Forest. 1969
• Plantation - 1909, PH II. 1915-1923
• Plantation - 1912, PH III. 1915-1916
• Plantation - 1917, PH I. 1918
• Plantation 1915, PH I. 1918
• 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 B - 1913, PH III. 1918
• Plantation B - 1916, PH III. 1918
• Plantation D - 1915, PH III. 1918
• Plantation F, Exp 2 - 1916, PH III. 1916
• Plantation on old pasture, PH IV, P-6. 1928
• Planted white spruce, PH II arboretum. 1928
• Planting, PH II. 1910
• 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
• Post Hurricane Regeneration Study. 1940
• Preliminary description and evaluation of small forested watersheds on PH III. 1967
• 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
• Primer to the soils of Sanderson's farm. 1975
• Prints of Scanned Historical Photographs, 2007. 1909-1941
• A profile of the Black Gum Swamp. 1984
• 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 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 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
• Pruning weeviled plantation, PH III. 1928
• Pruning white pine - selectively, PH I, P-5 (1937). 1927-1932
• Pruning, PH I. 1930
• 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 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 maple and white pine, PH I. 1966
• Red pine - white spruce plantation, PH I, Mx Sd -5, 5.0. 1931
• 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 pruning experiment, PH III. 1936
• 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
• Regeneration in Small Forest Openings - Prospect Hill IX. 1983-1985
• Regeneration Survey - Prospect Hill I. 1990-2014
• 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 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 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 White Spruce in Plantations. 1942
• Reproduction improvement with foliage sprays of 2-4-5-T (formerly Exp. 58-1, Active Research files). 1958
• Response of maples to understory soil moisture addition. 1986-1988
• Rhizotron root studies. 1973
• Root competition plot, PH I. 1944
• Root exposure studies of mixed species stands. 1970
• Salvage cutting in red pine plantation, PH I, P-7 (37). 1944
• Sample plot, PH I. 1921
• Scotch pine-hemlock plantation, PH I, Mx Sd-3, 1.8. 1931
• 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.
• Shelterwood cut-oak regeneration studies. 1982
• 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
• Ski mobiles, PH I and PH II, Locust Opening Road. 1969
• Slash burning operations - mostly gray birch tops. 1963-1964
• Snow-covered area from Locust Opening Road, PH II, Red pine, 19B. 1969
• Soil water relationships in stream source areas. 1975
• Spacing experiment, PH III, P-8, 16-C. 1935
• Species distribution on a wooded slope from Black Gum Swamp to nearby drylands. 1989
• The sprouting pattern of the American chestnut at the Harvard Forest. 1986
• Squirrel budding, PH II. 1938
• Stones on 1938 windthrow, PH I. 1966
• Stratigraphic and macrofossil analysis of Gould's bog. 1987
• 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 water-related growth suppression and release in marsh-established Pinus strobus. 1988
• Stump poisoning experiment. 1926
• Sunscald. 1944
• 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, PH II, Ex 43-1. 1944
• Thinning, PH II, Ex 43-1, Mx-Sd-3 (1937). 1944
• 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
• Treatment of Red Pine - White Spruce Plantation (PHI Mx-SD5). 1942
• Tree basal area growth and its measurement. 1980
• Tree regeneration in gaps and intact forest: the role of sprouting and the significance of shade tolerance. 1989
• Tree root distribution studies. 1972
• Tree-coring methods - hemlock grid PH II. 1990
• Trees and natural forces. 1987
• A Two-year Dendrometer Experiment on White Pine, Prospect Hill II, 24D. 1949-1950
• Viburnum dentatum as an indicator of soil moisture. 1975
• A View of Burned Versus Unburned Red Pine Sites of Harvard Forest. 1986-1987
• Weeding of planted white pine, PH IV, 0-1. 1944
• Weeding, PH I, P-7-.9. 1924
• Weeding, PH IV, 38A. 1944
• A weekend's worth of gold thread. 1975
• 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, 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 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
• Winter views, PH I. 1961
• Young hardwood stand before improvement cutting, PH IX, Hd-10. 1937