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Start Over You searched for: Spatial Coverage United States Remove constraint Spatial Coverage: United States Temporal Coverage From 65 to 140 million years ago Remove constraint Temporal Coverage: From 65 to 140 million years ago

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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.