TY  - BOOK
AU  - BOERICKE, WILLIAM F.
TI  - PLACERS GOLD SMALL OPERATING AND PROSPECTING
T2  - 0
U1  - 553.411 
PY  - 1936///
CY  - NEW YORK-U.S.A.
PB  - JOHN WILEY & SONS
KW  - CIENCIAS PURAS
N1  - GOLD PLACERS-OPERATING
ER  -