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Now showing items 71-80 of 227
Danville folio, Illinois-Indiana
(Geological Survey (United States), 1900)
Ellijay folio, Georgia-North Carolina-Tennessee
(Geological Survey (United States), 1913)
Santa Cruz folio, California
(Geological Survey (United States), 1909)
Hartville folio, Wyoming
(Geological Survey (United States), 1903)
Ellensburg folio, Washington
(Geological Survey (United States), 1903)
Truckee folio, California
(Geological Survey (United States), 1897)
Pueblo folio, Colorado
(Geological Survey (United States), 1897)
Elkton-Wilmington folio ; Maryland-Delaware-New Jersey-Pennsylvania
(Geological Survey (United States), 1920)
McMinnville folio, Tennessee
(Geological Survey (United States), 1895)
Fredericksburg folio, Virginia-Maryland
(Geological Survey (United States), 1894)