Weist, William G.  1931- <br/><br/>
Geology and ground-water system  in the Gila river Phreatophyte project area, Graham county, Arizona / 
by William G. Weist. 
 -- Washington :   United States Government Printing Office,   1971 
 - 22 p. + map. -- 
 (Geological Survey Professional Paper  ;  655-D).
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arizona<br/>Hidrología<br/>Ríos
<br/><br/><label>Universal Decimal Class. No.: </label>556.53(791)