Harvard Forest

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Lyford, W.H.

• Aerial Photographs Petersham 1968. 1968
• Baptist Church property material, includes 1893, 1946, and 1947 documents. 1893-1968
• Bedrock geology of Massachusetts. 1969
• Boulder - Slope - Vegetation study, TS I. 1961
• Boulder studies. 1968
• Boulders on 8 acre study tract, TS I. 1962
• Cabot Symposium 1976. 1976
• Coarse fragments in the Gloucester soils of the Harvard Forest. 1964
• Collembola migration studies. 1973
• Composite of USGS topographic maps of Petersham. 1968
• Copy of Hiram Stow-Joel Brooks Account Book, Petersham, Mass. 1795-1853. 1853
• Correspondence on "Effect of windblown material on soils". 1957
• Cutting operations - thinning, PH I, 26N. 1961
• Dead wood and charcoal in the forest floor, Petawa Forest Experiment Station, Chalk River, Ontario and Harvard Forest - Permanent plot data. 1970
• Dendrometer studies - effects of fertilizers on diameter growth. 1975
• Description, extent and genesis of fragipans. 1976
• Development of the root system of northern red oak - Harvard Forest Paper No. 21. 1970
• Early history of forest soils classification in the U.S. - contains information on history of 1939 Forest Soils at the Harvard Forest conference. 1939-1973
• Earthworm studies including list of references. 1961-2017
• Effects of fertilizers on tree growth, root distribution, and soil properties (formerly Exp. 69-1, 69-2, Active Research files). 1969
• An Experimental Low Thinning in a Young Hardwood Stand. Includes Resampling of Permanently Established Plots (Formerly Exp. 56-2 in Active Research Files). 1956-1987
• Field trip to David Henry's plot; Pisgah NH. 1972
• Forest Cottage Gridded Tract Activities 1960-1976. 1957-2001
• Forest floor and weight of litter from pine and hardwood stands references. 1975
• Gould Woodlot Ownership History. 1972-1993
• Gould, E.M., Jr.: Course notes and materials, including Biology 298. 1988
• Grid maps of 100 x 100 foot squares, Prospect Hill I-VIII. 1960-1979
• Growth Chamber Study (surface area, etc.) of Roots of Elm Seedlings. 1968
• Hardwood stand, PH I. 1961
• Harvard's forests: a volume in honor of Hugh M. Raup. 1965-1969
• Historical materials relating to the Northeastern Forest Soils conferences, 1939-1975. 1939-1975
• The Implications of Earthworm Distribution in Conifer Plantations. 1961-2017
• Influence of small fossorial mammals on soil development in central New England. 1970
• James W. Brooks Deeds and Correspondence. 1906-1973
• John C. Goodlett Photographs. 1942-1964
• John Sanderson: How he farmed--soil productivity and nutrient budget of Sanderson farm. 1974
• Land Use Map of Petersham Showing Wooded and Open Areas - 1830. 1830
• Land Use Map of Petersham Showing Wooded and Open Areas - 1938. 1938
• Land Use Map of Petersham Showing Wooded and Open Areas 1965. 1965
• Logs from single large pine on TS II. 1969
• Lyford Grid Map with Points. 1969
• Lyford Grid overlayed onto 1947 Prospect Hill I and VII map. 1969
• Lyford, Walter: Miscellaneous papers. 1971
• Lyford, Walter: Source notes, abstracts, miscellaneous documents. 1976
• Maple syrup production; Phillip Johnson Farm, North Orange, Mass.. 1969
• Maps and soil profiles of cable line transect across Petersham. 1964
• Miscellaneous materials: oak leaf skeletonizer, Zn from screens on forest floor - references on soil science. 1974
• 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
• Mn and Fe in soils, plants, and water. 1968
• Natural stand, PH I. 1966
• New England Two-till study. 1967
• Notes on "Heads of Streams". 1965
• Notes on Harvard Forest Soils and Soils Classification - effects of landforms, drainage classes, and parent materials. 1974
• Observations on Slash Pine Root Systems. 1975-1977
• Old growth paper birch in hardwood stand, TS I. 1961
• Old growth stand, TS I. 1962
• Outline: tree-root soil relationships, root structure with photos of roots within the soil. 1973
• Persistence of chestnut in the Harvard Forest. 1969
• Petersham Map Project. 1975
• Petersham Map Project individual landowner files A - Z. 1970
• Petersham property maps. 1974
• Petersham property maps. 1980
• Petersham property maps. 1977
• Petersham property maps. 1978
• Petersham property maps. 1974
• Petersham property maps. 1986
• Photograph Albums of Harvard Forest Events (1966-1982). 1966-1982
• Pisgah forest excursion, 1965. 1965
• Pisgah forest excursion, 1968. 1968
• Pisgah Tract Assessment and Taxes. 1934-1983
• Pisgah Tract excursions, notes. 1972-1977
• Pisgah: Historical Articles and Newspaper Clippings. 1927-1972
• Post-1938 hurricane stand, PH VIII. 1962
• Primer to the soils of Sanderson's farm. 1975
• Proposal to Clark Fund for dead wood study. 1970
• Prospect Hill I-VIII gridded area activities, 1960-1976. 1960-1976
• Rate of Soil Development and Biological Background of Some Pedological Theories. 1968
• Ray and Richard Bryant. 1969
• Red maple and white pine, PH I. 1966
• Red pine plantation before thinning operation of 1960-1961, PH I, 25K. 1961
• Red pine, PH I, 25K. 1966
• Response of roots of seedlings of slash pine and red oak to fertilization. 1973
• Response to Injury of Roots of Mature Woody Plants. 1963-1968
• Rhizotron root studies. 1973
• Root exposure studies of mixed species stands. 1970
• Roots of trees in the forest floor. 1974
• 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
• Significance of deep ground water podzol horizons to classification and genesis of soils. 1959
• Silt Cap Study and Relationship to Fragipan Development. 1957-1975
• Snow-covered area from Locust Opening Road, PH II, Red pine, 19B. 1969
• Soil Map - Lands owned by the Yale School of Forestry, Keene and Swanzey, NH. 1953
• Soil moisture in three contrasting freely drained soils of the Harvard Forest. 1976
• Soil movement by termites in the Southeast. 1970
• 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 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 information for the Concord Field Station (Estabrook Woods), Concord, Massachusetts. 1966-1980
• Species key to the non-woody root tips of common plants at the Harvard Forest. 1967
• Stone walls of Petersham. 1967
• Stones on 1938 windthrow, PH I. 1966
• Studies on soil fauna - moth and fly larvae, mites and termites. 1970
• Studies on the anatomy, morphology, and growth rate of the roots of selected plant species. 1972
• Studies on the root system of Acer rubrum L. - includes Harvard Forest Paper No. 10. 1968
• Studies on trees, carpenter ants and woodpeckers. 1970
• Summary of tree root studies, 1960-1976. 1960-1976
• 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
• Tom Swamp I Studies, 1955-1976. 1955-1976
• Topography, bedrock geology, surficial geology and soils of Mt. Grace quadrangle. 1949-1974
• Town of Petersham, Massachusetts Land Ownership Mapping Project. 1968-1971
• Tree root distribution studies. 1972
• Two Years of the Life of a 15-17 Year Old Boy on an Upland Subsistence Farm in Petersham. 1881-1882
• Unsuccessful attempt to measure soil variation with a cesium magnetometer. 1968
• Views in Exp 56-2 area, TS I. 1961
• Waldo Field - demonstration fertilization and brush clearing plots. 1975
• Weathering - processes of soil formation. 1975
• Winter views, PH I. 1961
• Woods Crew, Harvard Forest. 1969