Born-Digital or AnalogAnalogTranscriptSilver king mine. Chihuahua DISTRICT COLORADO Pennsylvania mining co. operating. R. M. News. Nov. 5, 1880 p.3 c.2 Later known as Howard mine, Silver king gulch. R. M. News. Sept. 22,1881 p.6 c.1 Developments, Chihuahua gulch. R.M.News.Dec.17,1881. p.3 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Silver king mine. Chihuahua DISTRICT COLORADO, [562780]. Denver Public Library Digital Collections, accessed 09/02/2026, https://digital.denverlibrary.org/nodes/view/1737436
