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Now showing items 61-70 of 75
Buckhannon folio, West Virginia
(Geological Survey (United States), 1896)
Morristown folio, Tennessee
(Geological Survey (United States), 1896)
Franklin folio, West Virginia-Virginia
(Geological Survey (United States), 1896)
Briceville folio, Tennessee
(Geological Survey (United States), 1896)
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)