Utilization of humus-rich forest soil (mull) in geochemical exploration for gold
Geological Survey (U.S.)
creator
Curtin, Gary C.
1935-
text
bibliography
dcu
Washington
[U.S. Govt. Print. Off.]
1968
monographic
eng
iii, 11 p. illus., maps. 26 cm.
by Gary C. Curtin [and others]
Bibliography: p. 4.
Geochemical prospecting
Gold ores
Colorado
Empire region
QE75 .C5 no. 562
622/.18/41
gs 68000239 //r852
U.S. Geological Survey Library
690523
20260227111422.0
gs 68000239