Blasting tests in a porphyry copper deposit in preparation for in situ extraction /
Steckley, Robert C.
Blasting tests in a porphyry copper deposit in preparation for in situ extraction / by Robert C. Steckley, William C. Larson and Dennis V. D'Andrea. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1975]. - ii, 47 p. : ill. - Report of investigations ; 8070 . - United States. Bureau of Mines. Report of investigations ; 8070 . - Report of investigations (United States. Bureau of Mines) ; 8070 .
92015018
Blasting.
Core drilling.
Blasting tests in a porphyry copper deposit in preparation for in situ extraction / by Robert C. Steckley, William C. Larson and Dennis V. D'Andrea. - [Washington] : U.S. Dept. of the Interior, Bureau of Mines, [1975]. - ii, 47 p. : ill. - Report of investigations ; 8070 . - United States. Bureau of Mines. Report of investigations ; 8070 . - Report of investigations (United States. Bureau of Mines) ; 8070 .
92015018
Blasting.
Core drilling.