Topographic map. Genesee, PA 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic (Advance Sheet)., 1918 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941…
Topographic map. Genesee, PA-NY 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic., 1937 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941…
Topographic map. Girard, PA 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic. 1900 (1944), 1900 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941…
Topographic map. Greenwood, NY 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic. 1926 (1945), 1926 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941…
Topographic map. Grover, PA 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic (Advance Sheet)., 1920 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941…
Topographic map. Hammondsport, NY 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic. 1903 (1951), 1903 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941…
Topographic map. Hinsdale, NY 7.5 Quad. (1 : 24000). U.S. Geological Survey: Topographic. 1961 (1979), 1961 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941…
Topographic map. Hornell, NY 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic. 1918 (1950), 1918 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941…
Topographic map. Hoytville, PA 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic (Advance Sheet)., 1918 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941…
Topographic map. Ithaca, NY 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic., 1895 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941…