Simulated effects of ground-water pumpage on stream-aquifer flow in the vicinity of federally protected species of freshwater mussels in the lower Apalachicola-Chattahoochee-Flint River Basin (subarea 4), southeastern Alabama, northwestern Florida, and southwestern Georgia / - Albertson, Phillip N. (U.S. Dept. of the Interior, U.S. Geological Survey,, 2002)