alluvial mining
Macdonald, Eoin H. 1983
alluvial mining :the geology,technology and economics of placers. book Eoin H. - london chapman and hall 1983 - xi, 508p. ill, 24cm.
include index
0412246309
TN278 / .M24 1983
alluvial mining :the geology,technology and economics of placers. book Eoin H. - london chapman and hall 1983 - xi, 508p. ill, 24cm.
include index
0412246309
TN278 / .M24 1983