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Spanish Peaks folio, Colorado
(Geological Survey (United States), 1901)
Washington folio, District of Columbia-Maryland-Virginia
(Geological Survey (United States), 1901)
Maynardville folio, Tennessese
(Geological Survey (United States), 1901)
Coos Bay folio, Oregon
(Geological Survey (United States), 1901)
Coalgate folio, Indian Territory
(Geological Survey (United States), 1901)
Charleston folio, West Virginia
(Geological Survey (United States), 1901)