TY - RPRT TI - Maps showing ground-water conditions in the Bill Williams area, Mohave, Yavapai, and Yuma Counties, Arizona - 1980 AU - H. W. Sanger AU - G. R. Littin PY - 1982 DO - 10.3133/ofr8287 UR - https://pubs.usgs.gov/publication/ofr8287 ID - ofr8287 ER -