John B. Czarnecki

• Conjunctive-use optimization model of the Mississippi River Valley alluvial aquifer of northeastern Arkansas
• Conjunctive-use optimization model of the Mississippi River Valley alluvial aquifer of southeastern Arkansas
• Effects of recent climate variability on groundwater levels in eastern Arkansas
• Finite-element simulation of ground-water flow in the vicinity of Yucca Mountain, Nevada-California
• Fortran computer programs to plot and process aquifer pressure and temperature data
• Geohydrology and evapotranspiration at Franklin Lake playa, Inyo County, California
• Simulated water-level declines caused by withdrawals from wells J-13 and J-12 near Yucca Mountain, Nevada