Blomfield, A.Maul, R. J.McClave, J. M. (James M.)Sheard, A.Stalmann, Otto2018-11-192022-02-032018-11-192022-02-03https://hdl.handle.net/11124/172781Mine report no. 1029.Includes illustrations.Typescript (carbon copy).Includes reports and correspondence relating to Rico Metals Company and United Rico Mines Company, Dolores County, Colorado, dated from 1907 to 1908; some reports are undated.Letter of correspondence -- The United Rico Mines Company: report of the President -- The demonstration of the commercial value of the Atlantic Cable ore and the maintenance of Rico organization pending the results -- Report on Atlantic Cable ore tests -- The United Rico Mines Co. -- Report on dry table process for separating lead-zinc ores -- The Rico Metals Company, capitalization $1,500,000: organized under the laws of the state of Maine -- Letters of correspondence.reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- Dolores CountyOres -- Colorado -- Dolores CountyOre-dressing -- Colorado -- Dolores CountyText