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Now showing items 111-120 of 227
Tishomingo folio, Indian Territory
(Geological Survey (United States), 1903)
Piedmont folio, West Virginia-Maryland
(Geological Survey (United States), 1896)
Coalgate folio, Indian Territory
(Geological Survey (United States), 1901)
Uvalde folio, Texas
(Geological Survey (United States), 1900)
Belle Fourche folio, South Dakota
(Geological Survey (United States), 1909)
Charleston folio, West Virginia
(Geological Survey (United States), 1901)
Indiana folio, Pennsylvania
(Geological Survey (United States), 1904)
Nantahala folio, North Carolina-Tennessee
(Geological Survey (United States), 1907)
Greeneville folio, Tennessee-North Carolina
(Geological Survey (United States), 1905)
Columbus folio, Ohio
(Geological Survey (United States), 1915)