TY - RPRT TI - Simulation of ground-water flow and potential land subsidence, Avra Valley, Arizona AU - R. T. Hanson AU - S. R. Anderson AU - D. R. Pool PY - 1990 DO - 10.3133/wri904178 UR - https://pubs.usgs.gov/publication/wri904178 ID - wri904178 ER -