Rough and Ready mill Rough and Ready mill, Littleton veteran of two fires still stands as pioneer of Colorado milling industry. il. by Herndon Davis.R.M.News.Sept.15,1940 p.13 Littleton, Colorado flour mills built by R. S. Little in 1867, Times D 22, 1899 p.1. c.3 Background of Rough and Ready Mill Ditch Co. Their involvement with Denver's water system. Ditch to later supply flour mills. _M Mosley, E., History of Denver Water System, Index v.2 p.23 manuscript