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Now showing items 18371-18380 of 18406
Kenova folio, Kentucky-West Virginia-Ohio
(Geological Survey (United States), 1912)
Belleville-Breese folio, Illinois
(Geological Survey (United States), 1915)
Nevada City special folio, California
(Geological Survey (United States), 1896)
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)
Telluride folio, Colorado
(Geological Survey (United States), 1899)
Austin folio, Texas
(Geological Survey (United States), 1902)
Milwaukee special folio, Wisconsin.
(Geological Survey (United States), 1906)