Culler, R.C. 1912- Objectives, methods, and environment Gila River Phreatophyte project, Graham County, Arizona / by R. C. Culler...[et al.]. -- Washington : United States Government Printing Office, 1970 - 25 p. -- (Geological Survey Professional Paper ; 655-A). Subjects--Topical Terms: ArizonaHidrologíaRíos Universal Decimal Class. No.: 556.53(791)