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Now showing items 261-270 of 278
Castle Rock folio, Colorado
(Geological Survey (United States), 1915)
Niagara folio, New York
(Geological Survey (United States), 1913)
Patoka folio, Indiana-Illinois
(Geological Survey (United States), 1904)
Eureka Springs-Harrison folio, Arkansas-Missouri
(Geological Survey (United States), 1916)
Tallula-Springfield folio, Illinois
(Geological Survey (United States), 1913)
Hot Springs folio, Arkansas
(Geological Survey (United States), 1923)
Globe folio, Arizona
(Geological Survey (United States), 1904)
Fairfield-Gettysburg folio, Pennsylvania
(Geological Survey (United States), 1929)
Bradshaw Mountains folio, Arizona
(Geological Survey (United States), 1905)
Cloud Peak-Fort McKinney folio, Wyoming
(Geological Survey (United States), 1906)