000			00280nam a2200097 4500
999			_c334398 _d334398
082			_a622.7 _bBER.H
100			_aBerenewitz, M.W.
245			_aHandbook for Prospectors and Operators of Small Mines _cBerenewitz, M.W.
260			_aNew York _c1943 _bMc Graw-Hill Book Co.
942			_cBK