Born-Digital or AnalogAnalogTranscriptArctic mine. Black Hawk district Colorado Activities, gold & copper iron. 1880 Machinery. 1882 Activities. New machinery. Activities; assay. R. M. News. Nov. 26, 1882 p.3 6.4 Operations to be resumed. R. z,'. News. Tune 13, 1883 p.3 c.1 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Arctic mine. Black Hawk district Colorado, [17181]. Denver Public Library Digital Collections, accessed 25/01/2025, https://digital.denverlibrary.org/nodes/view/1176115
