ANDERSON, T.W. Simulation of ground-water flow in alluvial basins in South-Central Arizona and Parts of Adjacent States. By T.W. Anderson and Geoffrey W. Freethey - WASHINGTON: USDI., 1995 - 78p; illust., 29cm - US Geological Survey Professional Paper 1406-D. . Eng Subjects--Topical Terms: Groundwater flow Arizona-Computer simulation.