• North Poudre Canal 

        Contributor:Unknown
        Date:1888-1894
        Images of water structures on North Poudre Canal
      • Halligan Dam 

        Contributor:Unknown
        Date:undated
        3 - The storage of water in reservoirs, showing Halligan Dam on the North Poudre with the water flowing over the spillway. Height of the dam, 60 feet.