Utilization of humus-rich forest soil (mull) in geochemical exploration for gold
By: by Gary C. Curtin [and others]
Contributors: Curtin, Gary C., 1935-
Publisher: [U.S. Govt. Print. Off.]
Published: 1968
Place of publication: Washington
Language: eng
Number of pages: 11
Subjects: Geochemical prospecting.; Gold ores -- Colorado -- Empire region.
Notes: Bibliography: p. 4.