Reconnaissance Survey to Identify Any Historic Resources That May Have Become Older Than 45 Years of Age Since the Earlier Survey
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Historic Resource Survey For the C-470 Corridor Revised Environmental Assessment June 2013 Submitted To: CDOT Region 1 2000 S. Holly Street Denver, CO 80222 Submitted By: Bunyak Resource Associates 10628 W. Roxbury Avenue Littleton, CO 80127 Table of Contents Introduction .................................................................................................................................................................. 1 Purpose ......................................................................................................................................................................... 1 Project Study Area ........................................................................................................................................................ 1 Establishing the Area of Potential Effects (APE) ..................................................................................................... 3 Research Design ........................................................................................................................................................... 6 Methodology .................................................................................................................................................................. 7 Historic Context ............................................................................................................................................................ 9 Colorado and Its Counties ......................................................................................................................................... 9 Jefferson County .................................................................................................................................................. 9 Arapahoe County ............................................................................................................................................... 10 Douglas County.................................................................................................................................................. 11 Agricultural History ................................................................................................................................................ 12 Early High Plains Irrigation and Farming .......................................................................................................... 12 City Ditch ........................................................................................................................................................... 13 High Line Canal ................................................................................................................................................. 13 Selzell Ditch ....................................................................................................................................................... 14 Last Chance Ditch .............................................................................................................................................. 15 Nevada Ditch ..................................................................................................................................................... 15 Chatfield Dam and Reservoir ............................................................................................................................. 16 Transportation ......................................................................................................................................................... 16 Railroads ............................................................................................................................................................ 16 Denver and Rio Grande Railroad .................................................................................................................. 17 Atchison, Topeka, and Santa Fe Railroad ..................................................................................................... 17 Twentieth-Century Development of the Railways ........................................................................................ 18 Territorial and Automobile Roads ...................................................................................................................... 18 Earliest Road Systems ................................................................................................................................... 18 U.S. Highway 85 ........................................................................................................................................... 20 Interstate 25 ................................................................................................................................................... 21 Colorado 470 or C-470 .................................................................................................................................. 21 Bicycling ............................................................................................................................................................ 22 Suburban Development ........................................................................................................................................... 22 South Unincorporated Jefferson County ............................................................................................................ 23 Ken Caryl Valley ........................................................................................................................................... 23 Plum Creek Valley and Chatfield Reservoir Area ......................................................................................... 23 Hildebrand Ranch .......................................................................................................................................... 24 Twentieth-Century Development in South Jefferson County ............................................................................ 24 Subdivisions and Additions ........................................................................................................................... 24 Arapahoe County Development ......................................................................................................................... 25 Littleton .............................................................................................................................................................. 27 Douglas County Development ........................................................................................................................... 28 Highlands Ranch ................................................................................................................................................ 29 Lone Tree ........................................................................................................................................................... 30 Results and Evaluations ............................................................................................................................................. 31 Eligible or Listed Properties ................................................................................................................................... 31 5JF188 Hildebrand Ranch (Re-visitation) .......................................................................................................... 32 5JF2613 Selzell Ditch, Hildebrand Ranch, Jefferson County (Re-visitation) .................................................... 32 5AH254.7 City Ditch, Arapahoe County (Re-visitation) ................................................................................... 32 5DA987.1 City Ditch, Douglas County (Re-visitation) ..................................................................................... 33 5AH256.4 Atchison, Topeka and Santa Fe Railroad (Re-visitation) ................................................................. 33 5DA922.1 Atchison, Topeka and Santa Fe Railroad (Re-visitation) ................................................................. 33 5DA922.2 Atchison, Topeka and Santa Fe Railroad (Re-visitation) ................................................................. 33 5AH255.2 Denver & Rio Grande Railroad (Re-visitation) ................................................................................ 33 5AH255.5 Denver and Rio Grande Railroad (Re-visitation) ............................................................................. 33 C-470 Revised EA 2013, DRAFT Historic Resources Survey Page i 5AH388 High Line Canal, Arapahoe County .................................................................................................... 34 5DA600.3 High Line Canal, Douglas County (Re-visitation) ........................................................................... 34 2013 Survey Results ............................................................................................................................................... 34 5JF5142 & 5DA3091 Chatfield Dam ................................................................................................................. 34 5JF5143 Columbine Hills .................................................................................................................................. 35 5DA2819 S Platte River Bridge, F-16-HW ........................................................................................................ 35 5DA2826 S Platte