OF-96-04-20 History OF-96-04-20 History, Geology, Hydrogeology, Summitville Mine and Downstream Effects, and Other Nearby Mines of the San Luis Valley, Colorado
OF-91-01 Identification and Remediation of a Mine Flooding Problem OF-91-01 Identification and Remediation of a Mine Flooding Problem, Rico, Dolores County, Colorado with Discussion of the Use of Tracer Dyes
OF-91-02 The Use of Tracer Dyes for the Identification of a Mine Flooding Problem OF-91-02 The Use of Tracer Dyes for the Identification of a Mine Flooding Problem, Rico, Dolores County, Colorado
IS-13 Chemical Analyses of Water Wells in Selected Strippable Coal and Lignite Areas IS-13 Chemical Analyses of Water Wells in Selected Strippable Coal and Lignite Areas, Denver Basin, Colorado
EG-06 Environmental and Engineering Geology of the Windsor Study Area EG-06 Environmental and Engineering Geology of the Windsor Study Area, Larimer and Weld Counties, Colorado