Reconnaissance geology, geophysics, and geochemistry of the southeastern part of the Lewis and Clark Range, Montana
By: by Melville R. Mudge, Ralph L. Erickson, and Dean Kleinkopf ; with spectrographic data by G. C. Curtin and A. P. Marranzino, and a section on Isotopic composition of lead, by R. E. Zartman.
Contributors: Erickson, Ralph Leroy, 1923-; Kleinkopf, M. Dean 1926-; Curtin, Gary C., 1935-; Marranzino, A. P., 1927-; Zartman, Robert E.
Series: Contributions to economic geology; Geological Survey bulletin -- 1252-E
Publisher: U.S. Govt. Print. Off.
Published: 1968
Place of publication: Washington
Language: eng
Number of pages: 35
Subjects: Geology, Economic -- Montana.; Geochemistry -- Montana.; Analytical geochemistry -- Montana.; Geophysics -- Montana.; Magnetic anomalies -- Montana.; Thrust faults (Geology) -- Montana.; Formations (Geology) -- Montana.; Lead ores -- Montana.; Lead -- Isotopes.; Zinc ores -- Montana.; Sandstone -- Montana.; Dolomite -- Montana.
Description: A study identifying a weak lead-zinc mineralized belt, 30 miles long, that is stratigraphically and structurally controlled.
Notes: Includes maps on four folded plates in pocket.

Includes bibliographical references (p. 33-35).