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Now showing items 101-109 of 109
Franklin Furnace folio, New Jersey
(Geological Survey (United States), 1908)
Patoka folio, Indiana-Illinois
(Geological Survey (United States), 1904)
Globe folio, Arizona
(Geological Survey (United States), 1904)
Bradshaw Mountains folio, Arizona
(Geological Survey (United States), 1905)
Cloud Peak-Fort McKinney folio, Wyoming
(Geological Survey (United States), 1906)
Roan Mountain folio, Tennessee-North Carolina
(Geological Survey (United States), 1907)
Elders Ridge folio, Pennsylvania
(Geological Survey (United States), 1905)
Rockland folio, Maine
(Geological Survey (United States), 1908)
Gaines folio, Pennsylvania-New York
(Geological Survey (United States), 1903)