Channel-Forming Discharge on the Dolores River and Yampa River, Colorado, Richard, G.A. and Anderson, R.M., 2007, Technical Publication No. 44, Colorado Division of Wildlife, 42 p
Great Pueblo Period of the McElmo Drainage Unit, A.D. 1075-1300 See more at: http://www.historycolorado.org/oahp/historic-contexts-and-survey-reports#sthash.9BW28btP.dpuf