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1

Revisions to stratigraphic nomenclature of Jurassic and Cretaceous rocks of the Colorado Plateau.

Revisions to stratigraphic nomenclature of Jurassic and Cretaceous rocks of the Colorado Plateau.

[Washington, D.C.] : Denver, CO : U.S. G.P.O. ; For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988

Government Document Book

2

Geologic framework of the ground-water system in Jurassic and Cretaceous rocks in the northern Great Plains, in parts of Montana, North Dakota, South Dakota, and Wyoming /

Geologic framework of the ground-water system in Jurassic and Cretaceous rocks in the northern Great Plains, in parts of Montana, North Dakota, South Dakota, and Wyoming /

by Anna, Lawrence O.
Washington : U.S. G.P.O. : For sale by the Distribution Branch, U.S. Geological Survey, 1986

Government Document Book