Updated tops file for Cretaceous and lower Tertiary units, Piceance Basin, northwest Colorado /

Bibliographic Details
Main Authors:	Johnson, Ronald C. (Ronald Carl), 1950- (Author), Dietrich, John D. (Author), Mercier, Tracey J. (Author)
Format:	Government Document eBook
Language:	English
Published:	Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2015.
Series:	U.S. Geological Survey open-file report ; 2015-1036.
Subjects:	Geology, Stratigraphic. Geology, Stratigraphic > Cretaceous. Geology, Stratigraphic > Tertiary. Piceance Creek Basin (Colo.) Cretaceous Geologic Period. Tertiary Geologic Period. Colorado > Piceance Creek Basin. From 2 to 140 million years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo122116

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