000			01421nam a2200301Ia 4500
001			192241
003			BIBL
005			20160527191943.0
008			931202s1994 dcuab b f000 0 eng
010			_a 93048416 //r94
043			_an-us-co
049			_aEVLG
050	0	0	_aQE92.F7 _bG85 1994
082	0	0	_a557.88/6 _220
086	0		_aI 19.4/2:1097
092			_a557.88 _bG
245	0	0	_aGuidebook on the geology, history, and surface-water contamination and remediation in the area from Denver to Idaho Springs, Colorado _cedited by K.C. Stewart and R.C. Severson ; written contributions by Walter H. Ficklin ... [et al.] ; photographic contributions by John M. Epperson ... [et al.] ; graphics by Michael F. Duncan ... [et al.] ; editorial assistance by Thomas Kohnen.
260			_aWashington _bU.S. G.P.O. _c1994.
300			_aiv, 55 p. _bill., maps _c28 cm.
490		0	_aU.S. Geological Survey circular _v1097 _2Local _9182288
504			_aIncludes bibliographical references.
650		0	_aEnvironmental geology _zFront Range (Colo. and Wyo.) _2Local _992389
650		0	_aAcid mine drainage _zColorado _zDenver Region. _2Local _948847
650		0	_aAcid mine drainage _zFront Range (Colo. and Wyo.) _2Local _948847
650		0	_aEnvironmental geology _zColorado _zDenver Region. _2Local _992389
700	1	0	_aStewart, Kenneth C. _2Local _9174543
700	1	0	_aSeverson, R. C. _q(Ronald Charles) _d1945- _2Local _9168979
999			_c145669 _d145669