Results of core drilling in 1978 for oil shale in the Eocene Green River Formation, Piceance Creek area of western Colorado [microform] / by M.C. Smith and R.B. O'Sullivan ; United States Department of the Interior, Geological Survey.
Published
[Reston, Va.?] : The Survey, 1982.
Physical Description
1 volume : illustrations, maps ; 28 cm.
Notes
Microfiche. [Denver, Colo. : U.S. Geological Survey, 1982?]. 4 microfiches ; 11 x 15 cm.