• Irrigation Lab 

        Contributor:Colorado Agricultural College
        Date:1917
        One man crouches with hands close to water pouring from a water container, while a second man watches from the top of the water container. A third man records observations in a notebook.
      • Irrigation Lab 

        Contributor:Colorado Agricultural College
        Date:1917
        Eight men working at 2 pulleys. Two of the men are recording observations.
      • Irrigation Lab 

        Contributor:Colorado Agricultural College
        Date:1917
        Two men observe 1 man dumping water from a large container into a ditch, while the fourth man measures the water's output.
      • Irrigation Lab 

        Contributor:Colorado Agricultural College
        Date:undated
        Man seated checking flow and 1 man taking notes.
      • Irrigation Lab 

        Contributor:Colorado Agricultural College
        Date:undated
        Three men are measuring the output of water from a pipe in an irrigation lab.
      • Irrigation Lab 

        Contributor:Colorado Agricultural College
        Date:undated
        Nine men standing or sitting next to an assimilated irrigation ditch in a laboratory setting. The man in the center of the photograph is sitting next to the controls of the irrigation ditch.
      • Irrigation Lab 

        Contributor:Colorado Agricultural College
        Date:undated
        Three sitting and 1 standing men around a post which has hoses attached to it.
      • Irrigation Lab 

        Contributor:Colorado Agricultural College
        Date:undated
        One man in light colored cardigan measuring output of water from a box in an indoor laboratory.
      • Irrigation Lab 

        Contributor:Colorado Agricultural College
        Date:undated
        Three men beside a model of an irrigation canal.
      • Irrigation Lab 

        Contributor:Colorado Agricultural College
        Date:undated
        One man turning wheel to open irrigation gate inside a laboratory, while another man watches.