TY - BOOK AU - Stewart,Kenneth C. AU - Severson,R.C. TI - Guidebook on the geology, history, and surface-water contamination and remediation in the area from Denver to Idaho Springs, Colorado T2 - U.S. Geological Survey circular AV - QE92.F7 G85 1994 U1 - 557.88/6 20 PY - 1994/// CY - Washington PB - U.S. G.P.O. KW - Environmental geology KW - Front Range (Colo. and Wyo.) KW - Local KW - Acid mine drainage KW - Colorado KW - Denver Region N1 - Includes bibliographical references ER -