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Now showing items 11-16 of 16
Bald mountain-Dayton folio, Wyoming
(Geological Survey (United States), 1906)
Yellowstone National Park folio, Wyoming
(Geological Survey (United States), 1896)
Philipsburg folio, Montana
(Geological Survey (United States), 1915)
Patoka folio, Indiana-Illinois
(Geological Survey (United States), 1904)
Bradshaw Mountains folio, Arizona
(Geological Survey (United States), 1905)
Cloud Peak-Fort McKinney folio, Wyoming
(Geological Survey (United States), 1906)