000			00634 a2200157 4500
082			_a622.12 _bIn8c
100			_aHartman, Howard L.
245	1		_aCASE STUDIES OF SURFACE MINING _cPROCEEDINGS OF THE II INTERNATIONAL SURFACE MINING CONFERENCE, MINNEAPOLIS, MINNESOTA, SEPTEMBER 18-20, 1968
260			_aNew York _bAmerican Institute Of Mining, Metallurgical And Petroleum Engineers _c1969
300			_a322,Y
500			_aIncludes Bibliography
500			_aSponsored By Society Of Mining Engineers Of Aime
650			_aMining Engineering -- Case Studies -- Addresses, Essays, Lectures
964			_gCIRC
997			_aA13052 s C
999			_c459052 _d459052