1. Effect of grid size on digital simulation of ground-water flow in the southern High Plains of Texas and New Mexico Author/Creator: Luckey, Richard R., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
2. Effect of reduced industrial pumpage on the migration of dissolved nitrogen in an outwash aquifer at Olean, Cattaraugus County, New York Author/Creator: Bergeron, Marcel P., author Publication/Creation: Ithaca, New York : U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
3. An evaluation of the bedrock aquifer system in northeastern Wisconsin Author/Creator: Emmons, Patrick J. (Patrick Jay), author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1987 Resource Type: Book Access & Availability: Loading