00661nam a2200193 4500 20170721160659.0 000 000 000 0900488662 UOEL TN 291 .I6 1983 Institution of mining and metallurgy in association with the Institution of quarrying : Bistol, England, 4-6th oct, 1983. Surface mining and quarrying : Papers prepared at the secnd international surface mining and quarrying symposium . England : The istitution of mining and metallurgy, c 1983. vi,449 p. : ill. metallurgy Technology lcc SBK 13982 13982 0 0 lcc 0 0 UOE UOE GEN 2017-07-21 0 TN 291 .I6 1983 10013304 2017-07-21 00:00:00 10013304 2017-07-21 SBK