Born-Digital or AnalogAnalogTranscriptPerigo mine. Central City district colorado New machinery. R.M.News.Nov.2,1882 p.3 c.3 Mentioned. R.M.News.Oct..16;1879 p.2 c.1 Retort; weight. R.PA.News.Avg.4,1891 p.3 c.1 R.M News.Avg.24,1882 p.7 c.2 Activities; Avgust production. R.M.News.Sept.10,1881 p.6 c.2 Mentioned. R.M.News.Apr.14,1863 p.3 c.1 Production; development. R. M. News.7an.6,1882 p.3 c.2 Activities; retorts. R.M.News. May 4, 1883 p.3 c.2 Mentioned. R.M.News. May 12, 1883 p.2 c.2 R V .News. May 27, 1883 p.3 c.2 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Perigo mine. Central City district colorado, [486001]. Denver Public Library Digital Collections, accessed 19/01/2026, https://digital.denverlibrary.org/nodes/view/1409762
