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Independence folio, Kansas
(Geological Survey (United States), 1908)
Elk Point folio, South Dakota-Nebraska-Iowa
(Geological Survey (United States), 1908)
Accident-Grantsville folio, Maryland-Pennsylvania-West Virginia
(Geological Survey (United States), 1908)
Ann Arbor folio, Michigan
(Geological Survey (United States), 1908)
Passaic folio, New Jersey--New York
(Geological Survey (United States), 1908)
Franklin Furnace folio, New Jersey
(Geological Survey (United States), 1908)
Rockland folio, Maine
(Geological Survey (United States), 1908)