521. Stand map of Tom Swamp I-VIII Creator: Cline, A. C.; Foster, C. H. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1925 Institution: Harvard Forest Archives
522. Stand maps of Tom Swamp-North 1937 Creator: Spurr, Stephen H., 1918-1990 Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1947 Institution: Harvard Forest Archives
523. Stand maps of Tom Swamp-North 1947 Creator: Stephens, E. P. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1947 Institution: Harvard Forest Archives
524. Stand maps of Tom Swamp-South 1937 Creator: Spurr, Stephen H., 1918-1990 Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1947 Institution: Harvard Forest Archives
525. Stand maps of Tom Swamp-South 1947 Creator: Stephens, E. P. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1947 Institution: Harvard Forest Archives
526. Standing timber by type, volume and quality Tom Swamp North Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1956 Institution: Harvard Forest Archives
527. Standing timber by type, volume and quality Tom Swamp South Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1956 Institution: Harvard Forest Archives
528. The Stone Walls of Petersham - mylar overlay Creator: Gould, E. M.; Lyford, Walter Henry, 1909- Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1970–1979 Institution: Harvard Forest Archives
529. Study of Cutover Old Field Pine Stands Creator: McKinnon, F. S., Hyde, G. R., Cline, A. C., and Geological Survey (U.S.) Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1932 Institution: Harvard Forest Archives
530. Subdivision of Parcel 579 - Nadeau Realty, Inc Creator: Berry, W. L. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: January 6, 1984 Institution: Harvard Forest Archives
531. Surficial Geologic Map of the Athol Quadrangle. MA Creator: Geological Survey (U.S.); Eschman, D.F. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1966 Institution: Harvard Forest Archives
532. Surficial Geology and glaciofluvial sequences of the Athol Quadrangle - preliminary map 1963 and final maps 1966 Creator: Geological Survey (U.S.); Eschman, D.F. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1966 Institution: Harvard Forest Archives
533. Survey of a Massachusetts Town - Petersham Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1907–1999 Institution: Harvard Forest Archives
534. Survey of Adams-Fay Lot (TS IX) Creator: Cummings, W. H. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1934 Institution: Harvard Forest Archives
535. Survey of Joseph C. Smith Lot (TS VII) Tom Swamp Block Creator: Cummings, W. H.; Kraemer, John Hugo Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: May 31, 1935 Institution: Harvard Forest Archives
536. Survey of Riceville Dam and North Boundary of TS IX Creator: Slack, T. B.; Maisner, W. P. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: September 1960–October 1960 Institution: Harvard Forest Archives
537. Survey of Tom Swamp South, Petersham, MA Creator: Berry, A. M. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: January 4, 2016 Institution: Harvard Forest Archives
538. Surveys of Petersham Lots Creator: Gould, E. M. Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: 1976–1978 Institution: Harvard Forest Archives
539. SW00 0 x 0 ft. Block of Lyford Grid Creator: Lyford, Walter Henry, 1909-, Carolan, Peter, and Kretschmar, Holly Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: May 3, 1969–June 2, 1992 Institution: Harvard Forest Archives
540. SW01 0 x 100 ft. Block Lyford Grid Creator: Lyford, Walter Henry, 1909-, Hoagland, Ralph P., Carlson, Joel, Yao, Peikang, and Jacobson, Tom Format: Maps/Atlases Collection: The Harvard Forest Map Collection Date: February 23, 1969–June 2, 1992 Institution: Harvard Forest Archives