Anderson, T. W. 1940- Electrical analog analysis of ground-water depletion in central Arizona, by T. W. Anderson. - Washington, U.S. Govt. Print. Off., 1968. - iii, 21 p. illus., maps (part fold. col. in pocket) 24 cm. - Geological Survey water-supply paper ; 1860 . Issued in portfolio. Bibliography: p. 21. LCCN: gs 68000235 //r934 Subjects--Topical Terms: Groundwater--Arizona.Water-supply--Arizona.Groundwater--Electromechanical analogies. LC Class. No.: TC801 / .U2 no. 1860 Dewey Class. No.: 551.4/9/0979173