• Reclamation Bureau 

        Contributor:Colorado Agricultural College
        Date:1934-05-11
        An operating model of a dam with water. The background has been eliminated.
      • Reclamation Bureau 

        Contributor:Colorado Agricultural College
        Date:1934-05-11
        A model of a dam without water. The background has been eliminated.
      • Reclamation Bureau 

        Contributor:Colorado Agricultural College
        Date:1934-05-11
        Man overlooking model of water reclamation for irrigation purposes.