TY  - BOOK
AU  - Macdonald,Eoin H.
TI  - Alluvial mining: the geology, technology, and economics of placers 
SN  - 0412246309
U1  - 622 
PY  - 1983///,
CY  - London
PB  - Chapman and Hall
KW  - Hydraulic mining
KW  - Placer deposits
ER  -