000			00404nam a2200145Ia 4500
001			CATREF007556
008			110517s9999 xx 000 0 und d
041			_aeng
082			_a622.14
100			_aStaley, W. W.
245			_aIntroduction to mine surveying / _cW. W. Staley.
260			_aStanford : _bStanford University Press, _c1939.
300			_avii, 275 p. ; _c21 cm.
650			_aMine surveying.
999			_c124092 _d124092