TY  - GEN
TI  - OPENCAST MINING, QUARRYING, AND ALLUVIAL MINING
U1  - 622.31 
PY  - 1965///
CY  - London
PB  - Institution Of Mining And Metallurgy
N1  - Imprint Covered By Label : Published And Distributed In The United States By American Elsevier Pub. Co., New York
ER  -