• Hahn's Peak Lake and Owners 

        Contributor:Unknown
        Date:1960
        Hand-drawn map showing property boundaries and property owners around a proposed Hahn's Peak Lake in Routt County, Colorado. Map includes sections of T10N, R86W and T11N, R86W.
      • Hydrology, Discharge Curves and Location : Map Plans for the Willow Creek Reservoir 

        Contributor:Ellingson, H. G.
        Date:1966
        Scale varies and is noted under most images. Hydrology notes, area-capacity-discharge curves, outlet works and service spillway profile, and location map for the proposed Willow Creek Reservoir Dam (now Steamboat Lake) in ...