Publication: Irrigation Age

Humpherys, Allan S. (1984) New Innovations in Trash Screens Increase Canal Efficiency. Irrigation Age. 18(6):13,42.

Humpherys, Allan (1982) Automation Playing Key Role in Surface Irrigation Interest. Irrigation Age. October 1982. pp. 6-8.

Humpherys, Allan S. (1982) Flo-Thru Gated Pipe May Lower Cost. Irrigation Age. May 1982. p. 35.

Humpherys, A.S. (1979) Automatic Furrow Irrigation Systems. Irrigation Age. 13(5):58-60.

Humpherys, Allan (1978) Float Valves Improve Pipeline Systems. Irrigation Age. 12(7):12,15.

Humpherys, A.S. (1978) Israqua and ICID Irrigation Conferences. Irrigation Age. 13(1):24-25,47.

Humpherys, A.S. (1977) Controlling Sediment in Surface Runoff. Irrigation Age. 12(1):22,24.

Humpherys, A.S. (1977) Energy and Irrigation System Planning. Irrigation Age. 11(7):73,75.

Humpherys, A.S. (1977) The Continuing Fight with Sediment. Irrigation Age. 12(3):73,81.

Humpherys, A.S. (1976) How to Get the Most Benefit from Plastic Pipe. Irrigation Age. 10(6):28,30-32.

Humpherys, A.S. (1976) Low-Cost Sand and Gravel Separator. Irrigation Age. 11(3):30.

Humpherys, Allan S. (1975) A New Technique for Conserving Water. Irrigation Age. 9(7):24,28.

Humpherys, Allan S. (1975) Automatic Farm Irrigation. Irrigation Age. 9(4):55-56.

Humpherys, A.S. (1975) Research Seeks Answers to Runoff Losses. Irrigation Age. 10(1):17.

Worstell, Robert V. (1970) Automatic Start Siphon Tube May Solve a Bunch of Problems. Irrigation Age. 5(4):42-43.