الفهرس 
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Abstract
The present study deals with two areas Wadi Qena and Wadi El-Assiuti, Wadi Qena is located in the north part of the Eastern Desert Between latitudes °26.10, 28°00 N, and longitudes 32° 15, 33° 30 E, it occupies an area about 15,000 km2. Area is one of the largest wadis in the Eastern Desert of Egypt located in the north part of the Eastern Desert. The main channel of this wadi is about 270 km in length that begins at the southern slopes of the southern Galala Plateau and extends in a north-south direction to the town of Qena where it issues into the Nile. and Wadi El Assiuti is a part of the desert area bordering Assiut governorate from its eastern side. This area is bounded by lat. 27º 05` N and 27º 20` N and long. 31º 10`E and 31º 25`E. The area is located in an arid region with almost no rainfall. Temperature varies from 5ºc in winter to 45ºc in summer. It is a rectangular flat area of about 400 Km². It is bounded from the west by the Nile River and from the other sides by the limestone plateau that is dissected by a great number of wad’s. The main target of the present work is mainly devoted to: The hydrochemical evaluation of the ground water from the study areas. In Wadi Qena the study revealed on the high concentration of Fe and Mn in some studied wells relative to (WHO2009) and (A.R.E 2014).