Born-Digital or AnalogAnalogTranscriptHopkins mine. Lulu City district colorado Activities. R. M. News. Feb. 24, 1881 p.2 c.2 Operating. R. 1?. News. Feb. 9, 1881 p.6 c.4 R. M. News. Feb. 15, 1881 p.3 c.3 Development; description. R. YT. News. Mar. 2, 1881 p.7 c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Hopkins mine. Lulu City district colorado, [317845]. Denver Public Library Digital Collections, accessed 13/02/2026, https://digital.denverlibrary.org/nodes/view/1450510
