Discusses geology and mining activities of Atlantic Cable, Van Winkle, and Shamrock Mines and hydrology of Silver Creek. Provides site evaluation, testing, and remediation in Rico, Dolores County. 15 pages. 9 figures. 1 table. 1 plate (1:240). Digital PDF download. OF-91-01D
This is a report on how flooding of residences in Rico, Colorado occurred after a section of a mine collapsed under a creek creating a whirlpool in the creek, and how dye testing was attempted to test the presumed source to distinguish from a piped potable water line with a defective valve, and ultimately how the problem was remediated. There is a sister report OF-91-02 discussing the dye study in more detail.
Davis, Mark W. “OF-91-01 Identification and Remediation of a Mine Flooding Problem in Rico, Dolores County, Colorado with a Discussion on the Use of Tracer Dyes.” Mine Flooding. Open File Report. Denver. CO: Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources, 1994. https://doi.org/10.58783/cgs.of9101.anrl6878. CGS Publications. https://coloradogeologicalsurvey.org/publications/identification-remediation-mine-flooding-rico-dolores-colorado/.