Lootens, Douglas J., ed. Greenslade, William M., ed. Barker, James M., ed.
Environmental management for the 1990's : proceedings ... - Colorado Society for mining metallurgy and exploration 1991 - 379 p.
0-87335-095-2
MINES AND MINING-ENVIRONMENTAL IMPACT
MINES AND MINING
ENVIRONMENTAL PROTECTION
622.8 / S9
Environmental management for the 1990's : proceedings ... - Colorado Society for mining metallurgy and exploration 1991 - 379 p.
0-87335-095-2
MINES AND MINING-ENVIRONMENTAL IMPACT
MINES AND MINING
ENVIRONMENTAL PROTECTION
622.8 / S9