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Now showing items 61-70 of 71
Absaroka folio, Crandall and Ishawooa quadrangles, Wyoming
(Geological Survey (United States), 1899)
Harpers Ferry folio, Virginia-Maryland-West Virginia
(Geological Survey (United States), 1894)
Lassen Peak folio, California
(Geological Survey (United States), 1895)
Placerville folio, California
(Geological Survey (United States), 1894)
Three Forks folio, Montana
(Geological Survey (United States), 1896)
Staunton folio, Virginia-West Virginia
(Geological Survey (United States), 1894)
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)