Arlen W. Harbaugh

• A generalized finite-difference formulation for the U.S. Geological Survey modular three-dimensional finite-difference ground-water flow model
• Distributed information system
• MODFLOW-2000
• MODFLOW-2000, the U.S. Geological Survey modular ground-water model
• Steady-state computer model of the water-table aquifer in the Mullica River basin, the Pine Barrens, New Jersey
• User's documentation for MODFLOW-96, an update to the U.S. Geological Survey modular finite-difference ground-water flow model