• Agronomy - alfalfa experiment 

        Contributor:Colorado Agricultural College
        Date:1930-09-10
        Cut alfalfa hay lies in long rows ready for removal to hay stacks; a team of horses is in the right background pulling a mechanical hay rake.
      • Agronomy - alfalfa experiment 

        Contributor:Colorado Agricultural College
        Date:1930-09-10
        A pulley and rope rigging carries a pile of alfalfa hay from a flatbed truck onto a much larger haystack; 1 man sits atop the truck's cab and another stands on the top of the haystack.
      • Agronomy - alfalfa experiment 

        Contributor:Colorado Agricultural College
        Date:1930-09-18
        A man smoking a cigarette, wearing bib overalls, a stained shirt and a hat, stands next to a winch attached to the front of a tractor; the cable leads to the left of the photo.
      • Agronomy - alfalfa experiment 

        Contributor:Colorado Agricultural College
        Date:1930-09-18
        A man seated on a hay-rake machine guides a team of horses as the alfalfa hay is raked into rows.
      • Guy Stewart - Alfalfa test 

        Contributor:Colorado Agricultural College
        Date:1933-08-31
        Alfalfa test plot.