Description: Oxidized zinc districts in California and Nevada

Main Author:	Heyl, Allen V. 1918-2008.
Other Authors:	Bozion, C. N.
Format:	Map
Language:	English
Published:	Washington, D.C. : U.S. Geological Survey, 1964.
Physical Description:	2 maps, color ; 84x74 cm folded in envelope 29 x 31 cm + 1 text (6 pages ; 28 cm).
Series:	Mineral investigations. Resource map ; MR-39.
Subjects:	Zinc ores -- California. Zinc mines and mining -- California. Zinc ores -- Nevada. Zinc mines and mining -- Nevada.

Item Description:	Contour interval 1000 feet.
Physical Description:	2 maps, color ; 84x74 cm folded in envelope 29 x 31 cm + 1 text (6 pages ; 28 cm).