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.
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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.
2002. 2002-09-20T18:12:30Z. 2016-07-26T21:19:13Z. Geological Survey (U.S.). U.S. Geological Survey. English. cartographic image. Public. Colorado, Piceance Creek Basin, Uinta Basin (Utah and Colo.), Mancos Shale., Mesaverde Group., Piceance Creek Basin., United States, and Uinta Basin. Cretaceous. and From 65 to 140 million years ago.