1. Águas subterrâneas Publication/Creation: São Paulo, Brazil : Associação Brasileira de Aguas Subterrâneas, 1978- Format: Journal, Newspaper or Serial Access & Availability: Loading
2. Altitude and configuration of the potentiometric surface in the Triassic sandstones and shales, northern Chester County, Pennsylvania, October 1989 through March 1990 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Harrisburg, Pennsylvania : Department of the Interior, U.S. Geological Survey, 1990 Format: Map Access & Availability: Loading
3. Altitude of potentiometric surface, fall 1985, and historic water-level changes in the Fort Pillow aquifer in western Tennessee Author/Creator: Parks, William Scott, author Publication/Creation: Memphis, Tennessee : U.S. Geological Survey, 1990 Format: Book Access & Availability: Loading
4. Altitude of potentiometric surface, fall 1985, and historic water-level changes in the Memphis Aquifer in western Tennessee Author/Creator: Parks, William Scott, author Publication/Creation: Memphis, Tennessee : U.S. Geological Survey, 1990 Format: Book Access & Availability: Loading
5. Analysis of the effects of hypothetical changes in ground-water withdrawal from the Floridan aquifer system in the area of Glynn County, Georgia Author/Creator: Randolph, Robert B., author Publication/Creation: Doraville, Georgia : U.S. Geological Survey, 1990 Format: Book Access & Availability: Loading
6. Appraisal of the water resources of the Skunk Creek aquifer in Minnehaha County, South Dakota Author/Creator: Ohland, Grant L., author Publication/Creation: Huron, South Dakota : U.S. Geological Survey, 1990 Format: Book Access & Availability: Loading
7. Assessment of contamination of ground water and surface water in the area of building 24, Picatinny Arsenal, New Jersey, 1986-87 Author/Creator: Sargent, Blaine P., author Publication/Creation: West Trenton, New Jersey : U.S. Geological Survey, 1990 Format: Book Access & Availability: Loading
8. Assessment of ground-water contamination from a leaking underground storage tank at a Defense Supply Center near Richmond, Virginia Author/Creator: Wright, Winfield G., author Publication/Creation: Richmond, Virginia : U.S. Geological Survey, 1990 Format: Book Access & Availability: Loading
9. Availability of ground water from unconsolidated deposits in the Mohawk River Basin, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : Department of the Interior, U.S. Geological Survey, 1990 Format: Map Access & Availability: Loading
10. Beneath the bottom line : agricultural approaches to reduce agrichemical contamination of groundwater Publication/Creation: Washington, D.C. : Office of Technology Assessment, Congress of the U.S., [1990] Format: Book Access & Availability: Loading