2017-08-092022-02-032017-08-092022-02-031900-1999https://hdl.handle.net/11124/171305Scale approximately 1:470.Shows underground workings and vein.Blueline negative print; photocopy."4237 K."Covers parts of Clear Creek County, Colorado. Covers parts of the Idaho Springs quadrangle, Colorado. Commodities mined: gold and silver.51 x 53 cmmine mapsengMining claims -- Colorado -- Clear Creek County -- MapsMines and mineral resources -- Colorado -- Clear Creek County -- MapsStillImage