Analytical results for rock and stream-sediment samples collected from the North Fork John Day River Roadless Area, Grant County, Oregon
By: by James G. Evans
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 86-193; U.S. Geological Survey open-file report -- 86-193
Publisher: Dept. of the Interior, U.S. Geological Survey
Published: 1986
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Geochemical prospecting -- Oregon -- Grant County
Notes: Distributed to depository libraries in microfiche

One map on folded sheet in pocket

Chiefly tables

Bibliography: leaf 3

Microfiche. [Denver, Colo. : U.S. Geological Survey, 198 6]. 2 microfiches ; 11 x 15 cm