Born-Digital or AnalogAnalogTranscriptMines & mineral resources. Colorado. Gilpin county Yield of gold per week, Illinois gulch, 1859. Hall. HISTORY Colo. v.l p.199 Dry concentrator introduced; inventor, Nevada dist. R. M. News. June 9, 1870 p.4c.1- Executor's satice of sale, Augusta lode, Gregory dist. R. M. News. June 10, 1870 p.1c.4 Activities, mills, Central City, list. R. M. News. June 10, 1870 p.4c.1 Lode pre-emptions filed. R. M. News. Oct. 18, 1875 p.4c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines & mineral resources. Colorado. Gilpin, [426420]. Denver Public Library Digital Collections, accessed 19/01/2026, https://digital.denverlibrary.org/nodes/view/1418434
