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Now showing items 2141-2150 of 2207
Edgemont folio, South Dakota-Nebraska
(Geological Survey (United States), 1904)
Bessemer-Vandiver folio, Alabama
(Geological Survey (United States), 1927)
Leavenworth-Smithville folio, Missouri-Kansas
(Geological Survey (United States), 1917)
Somerset-Windber folio, Pennsylvania
(Geological Survey (United States), 1934)
Kenova folio, Kentucky-West Virginia-Ohio
(Geological Survey (United States), 1912)
Belleville-Breese folio, Illinois
(Geological Survey (United States), 1915)
Jamestown-Tower folio, Jamestown, Eckelson, and Tower quadrangles, North Dakota
(Geological Survey (United States), 1909)
Snoqualmie folio, Washington
(Geological Survey (United States), 1906)
Philipsburg folio, Montana
(Geological Survey (United States), 1915)
Burgettstown-Carnegie folio, Pennsylvania
(Geological Survey (United States), 1911)