A surface vitrinite reflectance anomaly related to Bell Creek oilfield, Montana, U.S.A.
By: by Charles E. Barker, M.C. Dalziel, and M.J. Pawlewicz
Contributors: Dalziel, Mary C; Pawlewicz, M. J; Geological Survey (U.S.)
Series: Open-file report -- 83-826; Open-file report (Geological Survey (U.S.)) -- 83-826
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1983
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Petrology -- Montana -- Powder River County
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1983?]. 1 microfiche ; 11 x 15 cm

Bibliography: p. 15-17