TY - RPRT TI - Geohydrology and water utilization in the Willcox Basin, Graham and Cochise Counties, Arizona AU - S. G. Brown AU - Herbert H. Schumann PY - 1969 DO - 10.3133/wsp1859f UR - https://pubs.usgs.gov/publication/wsp1859F ID - wsp1859F ER -