Quarrying, opencast and alluvial mining /
Sinclair, John.
Quarrying, opencast and alluvial mining / John Sinclair. - Amsterdam : Elsevier, 1969, - vii, 375 p. : ill. ; 23 cm.
0444200401
Strip mining.
Quarries and quarrying.
Hydraulic mining.
622 / .31
Quarrying, opencast and alluvial mining / John Sinclair. - Amsterdam : Elsevier, 1969, - vii, 375 p. : ill. ; 23 cm.
0444200401
Strip mining.
Quarries and quarrying.
Hydraulic mining.
622 / .31