TY  - BOOK
AU  - Curtin,Gary C.
ED  - Geological Survey (U.S.)
TI  - Utilization of humus-rich forest soil (mull) in geochemical exploration for gold,
AV  - QE75 .C5 no. 562
U1  - 622/.18/41 
PY  - 1968///
CY  - Washington
PB  - [U.S. Govt. Print. Off.]
KW  - Geochemical prospecting
KW  - Gold ores
KW  - Colorado
KW  - Empire region
N1  - Bibliography: p. 4
ER  -