Journal of the Irrigation and Drainage Division. Vol. 117 No. 5 (1991). 

 - New York : American Society of Civil Engineers.  [date of publication not identified] 
 - p. 
<br/><br/> It contains of Papers, Discussions and Errata for 1991 in Vol. 117 No. 5. 
<br/><br/>TECHNICAL PAPERS : Furrow Geometric Parameters / Thomas J. Trout. Fractal Concept Used in Time-of-Concentration Estimates / Gert Aron, James E. Ball, and Thomas A. Smith. Salt Movement under Level-Basin Irrigation / D. F. Champion, E. G. Kruse, S. R. Olsen, and D. C. Kincaid. Runoff Curve Numbers for Reclaimed Surface Mines in Pennsylvania / John B. Ritter and Thomas W. Gardner. Kriging of Hydraulic Conductivity for Subsurface Drainage Design / J. Gallichand, S. O. Prasher, R. S. Broughton, and D. Marcotte. Irrigation Uniformity Relationships for Irrigation System Management / Albert J. Clemmens. Irrigation in Midwest: Lessons from Illinois / Jean A. Bowman, F. William Simmons, and Brian C. Kimpel. Optimal Design of Parabolic Canals / G. V. Loganathan. Sediment-Related Transport of Nutrients from Southwestern Watersheds / S. M. Bolton, T. J. Ward, and R. A. Cole. Methods of Measuring Pumpage through Closed-Conduit Irrigation Systems / L. C. Kjelstrom. FAO-24 Reference Evapotranspiration Factors / Richard G. Allen and William O. Pruitt. DSS: Dam Site Selector Expert System for Education / Bernard A. Engel and David B. Beasley. TECHNICAL NOTES : Simple Regression Procedure for Power Function / J. D. Valiantzas. Optimal Spacing of Tube Wells in Relation to Channel Losses and Lining / Bimal Chandra Mal. Correction to Parshall Flume Calibrations at Low Discharges / Steven J. Wright and Bahram Taheri. DISCUSSIONS : Effects of Deficit Irrigation and Irrigation Frequency on Wheat Yields. Marshall English and Brian Nakamura. / J. T. Musick. Calculation of Distribution and Efficiency for Non-uniform Irrigation. A. W. Warrick, W. E. Hart, and M. Yitayew / Dan B. Jaynes. Closure by authors. ERRATA.