Cover Image

Geochemical map of the North Fork John Day River Roadless Area, Grant County, Oregon /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Evans, James George, 1938-
Format: Government Document Map
Language:English
Published: Reston, Va. : The Survey ; 1986.
Series:Miscellaneous field studies ; map MF-1581-B.
Subjects:
Geochemical prospecting > Oregon > Grant County > Maps.
Ore deposits > Oregon > Grant County > Maps.
Description
Item Description:Relief shown by contours and spot heights.
Includes text, bibliography, table, index map, and 4 ancillary maps of distributions of gold, silver, barium, tin, tungsten, and zinc.
Cartographic material.
Physical Description:1 map ; 39 x 56 cm., on sheet 66 x 91 cm., folded in envelope 30 x 24 cm.
Bibliography:Includes text, bibliography, table, index map, and 4 ancillary maps of distributions of gold, silver, barium, tin, tungsten, and zinc.