Journal of Hydraulic Engineering.. Vol. 117 No. 8 (1991). 

 - New York : American Society of Civil Engineers.  [date of publication not identified] 
 - p. 
<br/><br/> It contains of Papers, Technical Note and Discussions on August 1991 in Vol. 117 No. 8. 
<br/><br/>TECHNICAL PAPERS : Riprap Design for Overtopping Flow / Steven R. Abt and Terry L. Johnson. Comparisons of Selected Bed-Material Load Formulas / Chih Ted Yang and Shenggan Wan. Piping/Sapping Erosion. I: Basic Considerations / D. J. Hagerty. Piping/Sapping Erosion. II: Identification-Diagnosis / D. J. Hagerty. Hydraulic Calculations for Flow in Lock Manifolds / Richard L. Stockstill, Frank M. Neilson, and Victor L. Zitta. Dropshaft Hydrodynamics under Transient Conditions / Qizhong Guo and Charles C. S. Song. Vibration of Beams and Trashracks in Parallel and Inclined Flows / Thang D. Nguyen and Eduard Naudascher. DISCUSSIONS : Mass Conservation: 1-D Open Channel Flow Equations. Lewis L. DeLong / David C. Froehlich. Closure by author. Scour-Depth Prediction under Armoring Condition. Deva K. Borah / Armando Balloffet, Ryszard Braiejewski, V. K. Kulkarni. Closure by author. River-Meander Model. I: Development. A. Jacob Odgaard / G. Seminara and M. Tubino. Closure by author. Estimating Probabilities of Extreme Rainfalls. Thomas A. Fontaine and Kenneth W. Potter / George A. Harper. Closure by authors.