Bancroft, George J.2018-01-022022-02-032018-01-022022-02-03https://hdl.handle.net/11124/171994Mine report no. 734.Includes illustrations.Typescript (carbon copy).The report details the aspects building a plant for mica-feldspar processing.reportsengIn copyright - non-commercial use permitted (http://rightsstatements.org/vocab/InC-NC/1.0/).Mines and mineral resources -- Colorado -- DenverMineral industries -- Colorado -- DenverReport on the feasibility of establishing a mica-feldspar business in Denver, AText