Born-Digital or AnalogAnalogTranscriptMaggie mine. Black Hawk DISTRICT COLORADO Activities; ore sale, Boston & Colo. smelting works. R. fly. News. Rar. 12, 1880. p.3 c.1 Proposed activities. R. M. News. Dec. 10, 1880. p.3 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Maggie mine. Black Hawk DISTRICT COLORADO, [403866]. Denver Public Library Digital Collections, accessed 20/06/2025, https://digital.denverlibrary.org/nodes/view/1785096
