1926. 2018-07-02T18:08:58Z. 2018-07-02T18:08:58Z. Dyer, William Spafford, 1894-. Geological Survey. English. cartographic image. Public. New Brunswick and Chipman Region. Paleozoic and From 230 to 570 million years ago.
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1996. 2002-06-01T04:00:00Z. 2016-07-20T21:24:09Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Information Services. English. cartographic image. Public. Colorado, San Miguel County, and San Miguel County. Jurassic.
1995. 2002-06-01T04:00:00Z. 2016-07-20T21:24:09Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by U.S. Geological Survey Information Services. English. cartographic image. Public. Colorado, Montezuma County, Dolores County, Dolores County., and Montezuma County. Jurassic.
1992. 2002-06-01T04:00:00Z. 2016-07-20T21:24:08Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. cartographic image. Public. Colorado, Ouray Region, and Black Canyon of the Gunnison National Monument Region. Jurassic.
1995. 2002-06-01T04:00:00Z. 2016-07-20T21:24:09Z. O'Sullivan, Robert Brett, 1923-. U.S. Geological Survey ; For sale by U.S. Geological Survey Information Services. English. cartographic image. Public. Colorado, Montezuma County, Dolores County, San Miguel County, Dolores County., Montezuma County., and San Miguel County. Jurassic.
1925. 2018-06-25T19:51:50Z. 2018-06-25T19:51:50Z. Hanson, George, 1891-. Geological Survey. English. cartographic image. Public. British Columbia and Driftwood Creek Region.
1926. 2018-07-03T17:43:20Z. 2018-07-03T17:43:20Z. Stockwell, C. H. (Clifford Howard), 1897-1987. Geological Survey. English. cartographic image. Public. Yukon and Galena Hill Region.
1971. 2018-06-13T19:07:35Z. 2018-06-13T19:07:35Z. Fisher, Donald W. N.Y.S. Museum and Science Service. English. cartographic image. Public. New York (State).
1983. 2002-06-01T04:00:00Z. 2023-08-15T03:01:20Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Alaska.
1983. 2018-05-01T17:06:37Z. 2020-08-14T18:08:36Z. Bickford, M. E. (Marion Eugene), 1932- cartographer. Missouri Department of Natural Resources, Division of Geology and Land Survey. English. cartographic image. Public. Missouri, Fredericktown, and Fredericktown (Mo.). Precambrian.
