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Now showing items 71-75 of 75
Big Trees folio, California
(Geological Survey (United States), 1898)
Bidwell Bar folio, California
(Geological Survey (United States), 1897)
Yellowstone National Park folio, Wyoming
(Geological Survey (United States), 1896)
Nevada City special folio, California
(Geological Survey (United States), 1896)
Telluride folio, Colorado
(Geological Survey (United States), 1899)