TY - RPRT TI - Maps showing ground-water conditions in the lower San Pedro Basin area, Pinal, Cochise, Pima, and Graham Counties, Arizona—1979 AU - Susan C. Jones PY - 1980 DO - 10.3133/ofr80954 UR - https://pubs.usgs.gov/publication/ofr80954 ID - ofr80954 ER -