Topographic map. U.S.D.A., Corson Co, part 3, SD (1 : 20000). U.S. Department of Agriculture: Photomosaic., 1955 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Karl M. Waage Archives, 1915-1999MapsSouth Dakota.
Topographic map. U.S.D.A., Corson Co, part 9, SD (1 : 20000). U.S. Department of Agriculture: Photomosaic., 1955 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Karl M. Waage Archives, 1915-1999MapsSouth Dakota.
Topographic map. U.S.D.A., Dewey Co, part 2, SD (1 : 20000). U.S. Department of Agriculture: Photomosaic., 1955 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Karl M. Waage Archives, 1915-1999MapsSouth Dakota.
Topographic map. U.S.D.A., Dewey Co, part 3, SD (1 : 20000). U.S. Department of Agriculture: Photomosaic., 1955 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Karl M. Waage Archives, 1915-1999MapsSouth Dakota.
Topographic map. U.S.D.A., Dewey Co, part 5, SD (1 : 20000). U.S. Department of Agriculture: Photomosaic., 1955 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Karl M. Waage Archives, 1915-1999MapsSouth Dakota.
Topographic map. U.S.D.A., Dewey Co, part 6, SD (1 : 20000). U.S. Department of Agriculture: Photomosaic., 1955 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Karl M. Waage Archives, 1915-1999MapsSouth Dakota.
Topographic map. U.S.D.A., Ziebach Co, part 1, SD (1 : 20000). U.S. Department of Agriculture: Photomosaic., 1955 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Karl M. Waage Archives, 1915-1999MapsSouth Dakota.
Topographic map. U.S.D.A., Ziebach Co, part 3, SD (1 : 20000). U.S. Department of Agriculture: Photomosaic., 1955 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Karl M. Waage Archives, 1915-1999MapsSouth Dakota.
Topographic map. U.S.D.A., Ziebach Co, part 4, SD (1 : 20000). U.S. Department of Agriculture: Photomosaic., 1955 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Karl M. Waage Archives, 1915-1999MapsSouth Dakota.
Topographic map. U.S.D.A., Ziebach Co, part 5, SD (1 : 20000). U.S. Department of Agriculture: Photomosaic., 1955 Bookmark Collection Context Yale University -Yale Peabody Museum of Natural History Karl M. Waage Archives, 1915-1999MapsSouth Dakota.