Geohydrologic reconnaissance of Lake Mead National Recreation Area - Temple Bar to Grand Wash Cliffs, Arizona

Water Resources, Groundwater, Hydrology, Hydrogeology, Aquifer, Geochemistry, Map, Bedrock, Surface Water, Muddy Creek Fm - sedimentary rocks of the Grand Wash Trough and Mesquite Basin - Pleistocene and Miocene, rocks of the Grand Wash trough, [Fortification Basalt Mbr][Fortification Hill basalt][basalt of Fortification Hill] - Muddy Creek Fm - Miocene/Pliocene, Chemehuevi Fm(Chemehuevis Fm)(Chemehuevis Gravel) - Pleistocene,