TY  - BOOK
AU  - Boericke, William Fay
TI  - PROSPECTING AND OPERATING SMALL GOLD PLACERS
U1  - 622.34 
PY  - 1936///
CY  - New York
PB  - J. Wiley
KW  - Gold Mines And Mining
N1  - Bibliography : P. 134-136
ER  -