A reconnaissance geochemical survey of the Clarion River Roadless Area, Allegheny National Forest, Elk County, Pennsylvania
By: by Nelson L. Hickling, Stanley P. Schweinfurth, and Betty M. Adrian ; United States Department of the Interior, Geological Survey
Contributors: Schweinfurth, Stanley P; Adrian, Betty M; Geological Survey (U.S.)
Series: Open-file report -- 83-22; Open-file report (Geological Survey (U.S.)) -- 83-22
Publisher: The Survey
Published: 1983
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Geochemical prospecting -- Pennsylvania -- Elk County
Notes: Microfiche. [Denver, Colo. : U.S. Geological Survey, 1983?]. 1 microfiche ; 11 x 15 cm

Bibliography: leaf 14