• Improving efficiency in agricultural water use 

        Author(s):Kemper, William Doral, 1928-; Danielson, Robert E.; Colorado State University. Natural Resources Center; United States. Office of Water Resources Research
        Date Issued:1969-06-30
        Format:reports
      • Improving efficiency in agricultural water use 

        Author(s):Kemper, William Doral, 1928-; Colorado State University. Natural Resources Center; United States. Office of Water Resources Research
        Date Issued:1970-07-31
        Format:reports