Analytical results and sample locality map of heavy-mineral-concentrate samples from the Jacumba/In-Ko-Pah Mountains wilderness study area (CDCA 368), Imperial County, California
By: by David E. Detra and James E. Kilburn.
Contributors: Kilburn, James E.; Geological Survey (U.S.)
Series: Open-file report -- 85-272.; Open-file report (Geological Survey (U.S.)) -- 85-272.
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 1985
Place of publication: [Reston, VA.?]
Language: eng
Format: Microform
Subjects: Heavy minerals -- California -- Imperial County.; Geochemical prospecting -- California -- Imperial County.
Notes: Distributed to depository libraries in microfiche.

Bibliography: leaf 4.

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1985]. 2 microfiches ; 11 x 15 cm.