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Dover folio, Delaware-Maryland-New Jersey
(Geological Survey (United States), 1906)
St. Marys folio, Maryland-Virginia
(Geological Survey (United States), 1906)
Nepesta folio, Colorado
(Geological Survey (United States), 1906)
Bald mountain-Dayton folio, Wyoming
(Geological Survey (United States), 1906)
Redding folio, California
(Geological Survey (United States), 1906)
Snoqualmie folio, Washington
(Geological Survey (United States), 1906)
Milwaukee special folio, Wisconsin.
(Geological Survey (United States), 1906)
Cloud Peak-Fort McKinney folio, Wyoming
(Geological Survey (United States), 1906)