Born-Digital or AnalogAnalogTranscriptHard money mine. Black Hawk district. Colorado. Proposed operation.R.M.News. May 19, 1881 p. 3 c.1 Rich strike; leased; mill run. R.M.News. Jan. 4, 1883 p. 3 c.3 Interest transfer; contract let for work; daily output R.M.News. Feb. 18, 1883 p. 3 c.2 Shipping rich ore. R.M.News. Mar. 21$ 1883 p. 3 c.3 Plant of machinery.R.M.News. Dec. 15, 1883 p. 3 c.2 Jan. to Oct. production; expense. R.M.News. Jan. 5, 1884 p. 3 c.3 Mentioned. R.M.News. `eb. 22, 1884 p. 5 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Hard money mine. Black Hawk district. Colorado, [294985]. Denver Public Library Digital Collections, accessed 18/05/2025, https://digital.denverlibrary.org/nodes/view/1379400
