Topographic map. Jamestown, NY 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic. 1905 (1944), 1905 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941Maps, 1895-19411895-1910.
Topographic map. Kane, PA 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic., 1939 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941Maps, 1895-19411931-1940.
Topographic map. Kinzua, PA-NY 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic. 1941 (1949), 1941 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941Maps, 1895-19411941-1961.
Topographic map. Leraysville, PA 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic (Controlled Reconnaissance)., 1929 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941Maps, 1895-19411921-1930.
Topographic map. Linesville, PA 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic. 1908 (1917), 1908 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941Maps, 1895-19411895-1910.
Topographic map. Meadville, PA 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic., 1925 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941Maps, 1895-19411921-1930.
Topographic map. Monroeton, PA 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic (Advance Sheet)., 1926 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941Maps, 1895-19411921-1930.
Topographic map. Montrose, 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, 1885-1941Maps, 1895-19411911-1920.
Topographic map. Naples, NY 15.0 Quad. (1 : 62500). U.S. Geological Survey: Topographic. 1903 (1913), 1903 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941Maps, 1895-19411895-1910.
Topographic map. Naples, NY Quad. (1 : 62500). U.S.Geological Survey: Topographic. 1903 (1908), 1903 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Hugo R. Greiner Archives, 1885-1941Maps, 1895-19411895-1910.