1. Historical ground-water-flow patterns and trends in iron concentrations in the Potomac--Raritan--Magothy aquifer system in parts of Philadelphia, Pennsylvania, and Camden and Gloucester Counties, New Jersey Author/Creator: Sloto, Ronald A. Publication/Creation: Denver, Colo. : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
2. Hydrogeologic and agricultural-chemical data for the South Skunk River alluvial aquifer at a site in Story County, Iowa, 1992-93 Author/Creator: Buchmiller, Robert, author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
3. Hydrogeologic and water-quality characteristics of glacial-drift aquifers in Minnesota Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: St. Paul, Minnesota : Department of the Interior, U.S. Geological Survey, 1987 Resource Type: Map Access & Availability: Loading
4. Hydrogeologic and water-quality characteristics of the Cretaceous aquifer, southwestern Minnesota 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
5. Hydrogeologic and water-quality characteristics of the Ironton-Galesville aquifer, southeast Minnesota Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [St. Paul, Minn.] : United States Department of the Interior, Geological Survey, 1984 Resource Type: Map Access & Availability: Loading
6. Hydrogeologic and water-quality characteristics of the Mount Simon-Hinckley aquifer, southeast Minnesota Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: St. Paul, Minnesota : United States Department of the Interior, Geological Survey, 1983 Resource Type: Map Access & Availability: Loading
7. Hydrogeologic and water-quality characteristics of the Prairie du Chien-Jordan aquifer, southeast Minnesota Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: St. Paul, Minnesota : United States Department of the Interior, Geological Survey, 1983 Resource Type: Map Access & Availability: Loading
8. Hydrogeologic and water-quality characteristics of the Red River-Winnipeg aquifer, northwestern Minnesota Author/Creator: Ruhl, J. F., author Publication/Creation: St. Paul, Minnesota : Department of the Interior, U.S. Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
9. Hydrogeologic and water-quality characteristics of the St. Peter aquifer, southeast Minnesota Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: St. Paul, Minnesota : United States Departmenr of the Interior, Geological Survey, 1983 Resource Type: Map Access & Availability: Loading
10. Hydrogeologic framework of the diabase aquifer at the Boarhead Farms Superfund site, Bridgeton Township, Bucks County, Pennsylvania Author/Creator: Schreffler, Curtis L., author Publication/Creation: Lemoyne, Pennsylvania : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading