Born-Digital or AnalogAnalogTranscriptHidden-treasure mill. Black Hawk district colorado Operating; stamps. RNIN INDEX R. M. News. Jan. 1, 1880. p.12 c.3 Moonlight mining co. moves mill to Pitkin. R. M. News. July 27, 1882. p.3 c.2 Activities; stamps run, California ore. R. M. News. Oct. 22, 1882. p.7 c.4 Proposed activities on Hidden treasure ore; stamps. R. M. News. Aug. 6, 1882. p.6 c.4 Crushing, concentration and amalgamation works in- stalled. R. M. News. Sept. 18,1881 p.3 c.1 Machinery. R. M. News. Sept. 9,1881 p.2 c.2 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Hidden-treasure mill. Black Hawk district colorado, [308636]. Denver Public Library Digital Collections, accessed 12/03/2026, https://digital.denverlibrary.org/nodes/view/1461372
