Metzger, D. G. 1922- Geohydrology of the needles area, Arizona, California, and Nevada / by D. G. Metzger and O. J. Loeltz. -- Washington : United States Government Printing Office, 1973 - 54 p. + map. -- (Geological Survey Professional Paper ; 486-J). Subjects--Topical Terms: ArizonaCaliforniaGeohidrologíaHidrogeología Universal Decimal Class. No.: 556.3(791+794)