Optimum Water Storage in Al-Baha, Kingdom of Saudi Arabia Cost of Dams in Al-Baha Province, Kingdom of Saudi Arabia Subsurface Drainage Impact Assessment in Ibshan, Egypt UNIT COST FOR PUMPING IRRIGATION WATER IN EGYPT Cost of Pumping Stations for Irrigation Projects in Egypt. Linear Programming: A Tool for Management of Pollutants in Rivers. Optimum Design for Water Quality in Rivers. Simplified Approach for Optimization by Dynamic Programming. Best Hydraulic Sections for Open Channels employing Spread Sheets. Optimum Design of Storing Water and Predicting Storage Unit Cost in Al-Baha, Kingdom of Saudi Arabia Assessment of Different Leaching Treatments in Gated Pipe Irrigation System Spread Sheets for Laterals Spacing Design Application on Mit Kenana Area in Egypt Hydro Pneumatic Tank Design for Surge Protection of Irrigation Pipeline Systems Excel Approach for Infiltration Capacity for Different Lands Revision Approach for Optimum Design of Pressurized Irrigation Systems Challenges for Optimum Design of Surface Irrigation Systems Groundwater Evaluation and Management in Ain Sukhna, Egypt Numerical and experimental modelling of slope stability and seepage water of earthfill dam Influence of Using Floor Jets on the Local Scour Downstream Fayoum Type Weir Impact of Bed Material on the Local Scour Downstream Fayoum Type Weir with Various Designs of Floor Jets Design Charts and Design Equations for Trapezoidal Earthen Open Channels