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Now showing items 31-40 of 75
Tenmile district special folio, Colorado
(Geological Survey (United States), 1898)
Richmond folio, Kentucky
(Geological Survey (United States), 1898)
Tacoma folio, Washington
(Geological Survey (United States), 1899)
Pikeville folio, Tennessee
(Geological Survey (United States), 1895)
Elmoro folio, Colorado
(Geological Survey (United States), 1899)
Sonora folio, California.
(Geological Survey (United States), 1897)
Truckee folio, California
(Geological Survey (United States), 1897)
Pueblo folio, Colorado
(Geological Survey (United States), 1897)
McMinnville folio, Tennessee
(Geological Survey (United States), 1895)
Fredericksburg folio, Virginia-Maryland
(Geological Survey (United States), 1894)