Gold mining in Colorado - Wikipedia
"Part-time cowboy and full-time drinker" Robert Womack found gold float in 1879, which led him to digging countless prospecting holes in an attempt to find its lode, earning him the name "Crazy Bob". His efforts finally paid off in 1890, when he found the El Paso lode. Winfield Scott Stratton discovered what became his Portland Mine at the site of Victor. By 1893, 10,000 miners working the district produced one third of Colorado's gold output. Gold cyanidation was introduced in 1895, and used alongside chlorinationColorado-Mines - Mining Artifacts,Eleven coal mines operate in Colorado, including eight underground mines in Delta, Garfield, Gunnison, La Plata, Rio Blanco, and Routt counties, and three surface mines in Moffat and Montrose counties.Mines and Mining | History Colorado,Mines and Mining. Colorado's rich mining history is documented in archival, photographic, and artifact sources. The resources below are available at our Library & Research Center. Library Catalog. Search our online library catalog for Subject headings "Mines" or "Mining" for records of books, manuscript collections, maps, and serial titles.