Techniques in underground mining: selections from underground mining methods handbook
Gertsch, R.E.
Techniques in underground mining: selections from underground mining methods handbook by E. Gertsch - Littleton SME 1998 - ix, 823p.
9780873351638
Mining engineering
TN 275 / .T33
Techniques in underground mining: selections from underground mining methods handbook by E. Gertsch - Littleton SME 1998 - ix, 823p.
9780873351638
Mining engineering
TN 275 / .T33