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Now showing items 171-180 of 198
Burgettstown-Carnegie folio, Pennsylvania
(Geological Survey (United States), 1911)
Austin folio, Texas
(Geological Survey (United States), 1902)
Milwaukee special folio, Wisconsin.
(Geological Survey (United States), 1906)
Eastport folio, Maine
(Geological Survey (United States), 1914)
Rogersville folio, Pennsylvania
(Geological Survey (United States), 1907)
Aberdeen-Redfield folio: Northville, Aberdeen, Redfield, and Byron quadrangles, South Dakota
(Geological Survey (United States), 1909)
Mother Lode district folio, California
(Geological Survey (United States), 1900)
Murphysboro-Herrin folio, Illinois
(Geological Survey (United States), 1912)
Raritan folio, New Jersey
(Geological Survey (United States), 1914)
Franklin Furnace folio, New Jersey
(Geological Survey (United States), 1908)