TY - RPRT TI - An Online Interactive Map Service for Displaying Ground-Water Conditions in Arizona AU - Fred D. Tillman AU - Stanley A. Leake AU - Marilyn E. Flynn AU - Jeffrey T. Cordova AU - Kurt T. Schonauer PY - 2007 DO - 10.3133/ofr20071436 UR - https://pubs.usgs.gov/publication/ofr20071436 ID - ofr20071436 ER -