Recent Submissions

  • Willow Creek Dam-Preliminary Master Plan 

    Contributor:Carlson, R. G.
    Date:1966
    Scale noted at bottom of map. Detailed amenity map for the proposed Willow Creek Recreation Area (now Steamboat Lake State Park) south of Hahn Peak, Routt County, Colorado.
  • Steamboat Lake Recreation Area sheet 2 

    Contributor:Carlson, Frank E.
    Date:1966
    Scale: 1 inch = 500 feet. Survey map of southern half of the proposed Steamboat Lake Recreation Area (now Steamboat Lake State Park) in Routt County, Colorado.
  • Steamboat Lake Recreation Area sheet 1 

    Contributor:Carlson, Frank E.
    Date:1966
    Scale: 1 inch = 500 feet. Survey map of northern half of the proposed Steamboat Lake Recreation Area (now Steamboat Lake State Park) in Routt County, Colorado.
  • General Plan and Emergency Spillway Details : Plans for the Willow Creek Reservoir Dam 

    Contributor:Ellingson, H. G.
    Date:1966
    Scale varies and is noted under most images. Map and design plans for the proposed Willow Creek Reservoir Dam and spillway (now Steamboat Lake).
  • Outlet Works and Service Spillway Inlet Structure Details : Plans for the Willow Creek Reservoir Dam 

    Contributor:Ellingson, H. G.
    Date:1966
    Scale varies and is noted under most images. Designs for sections of the outlet works and service spillway of the proposed Willow Creek Reservoir Dam (now Steamboat Lake), including trashrack details and stop log slot cover ...
  • 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 ...
  • 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.
  • Willow Creek Reservoir to Steamboat Lake 

    Contributor:Eyrich, Harold E.; Shaw, E. L.
    Date:1963-1966
    Two reports and one note concerning the construction of Willow Creek Dam and Reservoir (now Hahn Lake). "A Report on the Foundation Conditions and Materials for Construction of the Willow Creek Reservoir" by Harold E. ...
  • Steamboat Lake : State Recreation Area 

    Contributor:Colorado. Department of Natural Resources
    Date:undated
    Brochure advertising Steamboat Lake State Recreation Area and providing map of area around lake.