31. Appraisal of water from surficial-outwash aquifers in Todd County and parts of Cass and Morrison Counties, central Minnesota Author/Creator: Myette, C. F. Publication/Creation: Denver, Colo. : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Book Access & Availability: Loading
32. Approximate location of the 10,000-milligram-per-liter dissolved-solids boundary in the Silurian and Devonian carbonate-rock aquifer, southwestern and northern Indiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 1994 Resource Type: Map Access & Availability: Loading
33. Approximate potentiometric surface for the aquifer unit A2, southeastern coastal plain aquifer system of the United States, prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
34. Approximate potentiometric surface for the aquifer unit A3, southeastern coastal plain aquifer system of the United States, prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
35. Approximate potentiometric surface for the aquifer unit A4, southeastern coastal plain aquifer system of the United States, prior to development Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
36. AQMAN : linear and quadratic programming matrix generator using two-dimensional ground-water flow simulation for aquifer management modeling Author/Creator: Lefkoff, Lawrence J., author Publication/Creation: Menlo Park, California : U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
37. Aquifer model of the Susquehanna River valley in southwestern Broome County, New York Author/Creator: Randall, Allan D., 1932- author Publication/Creation: Albany, New York : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
38. Aquifer response to recharge and pumping, San Bernardino ground-water basin, California Author/Creator: Hardt, W. F., author Publication/Creation: Sacramento, California : U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
39. Aquifer susceptibility in Virginia, 1998-2000 Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Service [distributor]. Resource Type: Book Access & Availability: Loading
40. Aquifer tests and simulation of gound-water flow in Triassic sedimentary rocks near Colmar, Bucks, and Montgomery Counties, Pennsylvania Author/Creator: Risser, Dennis W. Publication/Creation: Denver, Colo. : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading