D. D Graham

• Contamination of ground water at the Tucson International Airport Area, Superfund Site, Tucson, Arizona
• Flow in the unsaturated zone, Tucson, Arizona
• Methodology, results, and significance of an unsaturated-zone tracer test at an artificial-recharge facility, Tucson, Arizona
• Potential for leakage among principal aquifers in the Memphis area, Tennessee
• Trichloroethylene and 1,1-dichloroethylene concentrations in ground water after temporary shutdown of the reclamation well field at Air Force Plant 44, Tucson, Arizona, 1999