Results of exploratory drilling for lignite in 1978, Fort Peck Indian Reservation, Roosevelt County, Montana
By: by John K. Hardie and Harold H. Arndt ; United States Department of the Interior, Geological Survey
Contributors: Arndt, Harold H; Geological Survey (U.S.)
Series: Open-file report -- 81-786; Open-file report (Geological Survey (U.S.)) -- 81-786
Publisher: The Survey
Published: 1981
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Lignite -- Montana -- Roosevelt County; Boring
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1981]. 1 microfiche ; 11 x 15 cm

Bibliography: p. 66