O. Lehn Franke

• Concepts and modeling in ground-water hydrology
• Conceptual frameworks for ground-water-quality monitoring
• Definition of boundary and initial conditions in the analysis of saturated ground-water flow systems
• Estimating areas contributing recharge to wells
• Summary of the hydrologic situation on Long Island, New York, as a guide to water-management alternatives
• The effects of boundary conditions on the steady-state response of three hypothetical ground-water systems--results and implications of numerical experiments