Hargreaves, George H. Irrigation fundamentals : an applied technology text for teaching irrigation at the intermediate level / by George H. Hargreaves and Gary P. Merkley. - Highlands Ranch, Colo. : Water Resources Publication, LLC, c1998. - xvi, 182 p. : ill. ; 24 cm. Includes index. Includes bibliographical references. ISBN: 1887201106 (hbk.) Subjects--Topical Terms: Irrigation.Irrigation scheduling.Water-supply, Agricultural.