TY  - BOOK
AU  - Cope,Louis W.
AU  - Rice,Lee R.
ED  - Society for Mining, Metallurgy, and Exploration (U.S.)
TI  - Practical placer mining
SN  - 0873351053
U1  - 622.2/927/P895 
PY  - 1992///
CY  - Littleton, Col.
PB  - Society for Mining, Metallurgy, and Exploration
KW  - Hydraulic mining
N1  - Includes bibliographical references and index
ER  -