A seminar entitled (The use of RS techniques to identify and evaluate a potential sites for rainwater and torrential catchment in eastern Missan).  Hold at the College of Science, Geology Department. The presenter Zahraa Resul fakher demonstrates the most important objectives: Identify suitable sites for water harvesting and groundwater recharge. Determine the quality of groundwater and seasonal surface water to estimate the effectiveness of the artificial recharge. Combating desertification and developing the agricultural aspect the area. Determine the catchment area. Economic feasibility of water harvesting system projects