TY - RPRT TI - Ground-water resources and problems of the Cactus Flat-Artesia area, San Simon Basin, Arizona AU - Leonard C. Halpenny AU - Robert L. Cushman AU - J.D. Hem PY - 1947 DO - 10.3133/ofr4735 UR - https://pubs.usgs.gov/publication/ofr4735 ID - ofr4735 ER -