• Grand Canyon 

        Contributor:Colorado Agricultural College
        Date:1932-11
        The sun casts deep shadows in the Grand Canyon.
      • Grand Canyon - Arizona 

        Contributor:Colorado Agricultural College
        Date:1932-11
        Rocks worn by water and wind show their different colored layers.
      • Grand Canyon - Arizona 

        Contributor:Colorado Agricultural College
        Date:1932-11
        Canyon walls, some in shadows.
      • Grand Canyon, Arizona 

        Contributor:Colorado State College of Agriculture and Mechanic Arts
        Date:1938-09
        A view across a canyon towards other mesas in the Grand Canyon.