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Parker folio, South Dakota
(Geological Survey (United States), 1903)
Elkland-Tioga folio, Pennsylvania
(Geological Survey (United States), 1903)
Alexandria folio, South Dakota
(Geological Survey (United States), 1903)
Scotts Bluff folio, Nebraska
(Geological Survey (United States), 1903)
Hartville folio, Wyoming
(Geological Survey (United States), 1903)
Ellensburg folio, Washington
(Geological Survey (United States), 1903)
Cranberry folio, North Carolina-Tennessee
(Geological Survey (United States), 1903)
Mitchell folio, South Dakota
(Geological Survey (United States), 1903)
Tishomingo folio, Indian Territory
(Geological Survey (United States), 1903)
Olivet folio, South Dakota
(Geological Survey (United States), 1903)