Born-Digital or AnalogAnalogTranscriptMines & mineral resources, Colorado Analytical office Colo. School of mines, assays; list. R. M. News. Feb. 27, 1875 p.1 c.3 Mining board stimulates operations. R. III. News. Feb. 28, 1875 p.2 c.2 New England claim to compete in mineral production. R. N.. News. far. 2, 1875 p.2 c.1 History, Pennsylvania capitalists speculating in silver mine. R. M. News. Mar. 16, 1875 p.4 c.3 Comparing Black Hills excitement with 1859. R. M. News. Liar. 17, 1875 p.4 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines & mineral resources, Colorado, [422111]. Denver Public Library Digital Collections, accessed 22/01/2026, https://digital.denverlibrary.org/nodes/view/1796766
