41. Fire Ponds of Petersham Creator: Gould, E. M. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1970–2014 Institution: Harvard Forest Archives
42. Forest Operations 1962-1963, Prospect Hill Creator: Spurr, Stephen H., 1918-1990 Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1963 Institution: Harvard Forest Archives
43. Forest operations, Tom Swamp I, 1909-1956 Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: [ca. 1956] Institution: Harvard Forest Archives
44. Forest operations, Tom Swamp North Creator: Foster, D. R. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1990 Institution: Harvard Forest Archives
45. Forest operations, Tom Swamp South Creator: Foster, D. R. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1990 Institution: Harvard Forest Archives
46. Forest Type, Size, and Stocking Map of the Federation Forest Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1931 Institution: Harvard Forest Archives
47. Glacial Geology and Topography of Black Rock Forest Creator: Denny, Charles Storrow, 1911- Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1937 Institution: Harvard Forest Archives
48. Glacial Geology and Topography of Black Rock Forest - revised 1982 Creator: Scholz, H. F., Karnig, Jack J., and Denny, Charles Storrow, 1911- Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: July 1982 Institution: Harvard Forest Archives
49. Growth and Density Plan of the Black Rock Forest Creator: Tryon, H. H. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1930 Institution: Harvard Forest Archives
50. Harvard Black Rock Forest - Trail Map Creator: Halpin, P. N.; Karnig, Jack J. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: January 1967 Institution: Harvard Forest Archives
51. Harvard Black Rock Forest 1951 Creator: Stout, B. B. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: July 1951 Institution: Harvard Forest Archives
52. Harvard Black Rock Forest Woodlands Operations 1927-1984 Creator: Karnig, Jack J.; Stout, B.B. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: October 3, 1985 Institution: Harvard Forest Archives
53. Harvard College Forestry - Slab City 1907 Creator: Caswell, Lilley Brewer, 1848- Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: December 30, 1907 Institution: Harvard Forest Archives
54. Harvard College Forestry - Tom Swamp I-VIII Creator: Caswell, Lilley Brewer, 1848- Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: December 7, 1907 Institution: Harvard Forest Archives
55. Harvard College Forestry, Northwest tract - Meadow Water Tract Creator: Caswell, Lilley Brewer, 1848-; Cary, Austin, 1865-1936 Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: April 1, 1908 Institution: Harvard Forest Archives
56. Harvard Forest 1945 Areas with 10 or more cords of poor quality wood/acre to cut Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1945 Institution: Harvard Forest Archives
57. Harvard Forest 1945 Areas with 5 or more cords of poor quality wood/acre to cut Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1945 Institution: Harvard Forest Archives
58. Harvard Forest 1945 Prospect Hill Block Creator: Spurr, Stephen H., 1918-1990 Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1945 Institution: Harvard Forest Archives
59. Harvard Forest 1945 Prospect Hill Block soils and vegetation Creator: Spurr, Stephen H., 1918-1990 Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1945 Institution: Harvard Forest Archives
60. Harvard Forest Compartments and Properties Creator: Cline, A. C., Curtis, J. D., Johnston, J. W., and Cummings, W. H. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: June 16, 1934 Institution: Harvard Forest Archives