Born-Digital or AnalogAnalogTranscriptMines and-mineral resources: COLORADO DUMONT dirt. Rich strikes; mines; list. RX.News. May 21, 1881 p. 3 c. 2 Proposed development, mines.. R.M.Rews. May 27, 1881 p. 3c. 2 Activities; mines; list. R.M.News. May 26, 1881 p. 3 c. 2 Activities; mines; companies; list. R.M.News. June 2, 1881 p. 3 c. 2 Activities; mines-& tunnels;'list. R.M.News. June 11, ;881 p. 5 c. 2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
