1. Coal exploration, mine planning, and development /
Author: by Roy D. Merritt.
Library: Center and Library of Islamic Studies in European Languages (Qom)
Subject: Coal mines and mining.,Mineral industries.,Prospecting.,Coal mines and mining.,Mineral industries.,Prospecting.
Classification :
TN803
.
M457
1986
2. Coal exploration,mine planning,& development
Author: MERRITT,ROY D
Library: Central Library of Amirkabir University of Technology (Tehran)
Subject: COAL MINES & MINING , PROSPECTING , MINERAL INDUSTRIES
Classification :
TN
803
.
M457
