1. Deep coal mining
پدیدآورنده : / William S. Doyle
کتابخانه: Central Library and Documents Center of Mazandaran University (Mazandaran)
موضوع : Coal mines and mining- Waste disposal
رده :
TD899
.
M5
,
D69
2. Strip mining of coal
پدیدآورنده : / William S. Doyle
کتابخانه: Central Library and Documents Center of Mazandaran University (Mazandaran)
موضوع : Coal mines and mining- Environmental aspects,Strip mining- Environmental aspects,Reclamation of land
رده :
TD195
.
C58
,
D69
1976
