1. Relation between selected well-construction characteristics and occurrence of bacteria in private household-supply wells, south-central and southeastern Pennsylvania Author/Creator: Zimmerman, Tammy M. Publication/Creation: New Cumberland, Pa. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
2. Relation between selected well-construction characteristics and occurrence of bacteria in private household-supply wells, south-central and southeastern Pennsylvania Author/Creator: Zimmerman, Tammy M. Publication/Creation: New Cumberland, Pa. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
3. Ground-water-withdrawal and water-level data used to simulate regional flow in the major coastal plain aquifers of New Jersey Author/Creator: Zapecza, Otto S., author Publication/Creation: Trenton, New Jersey : U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
4. Restoration of freshwater in the Cano Tiburones area, Puerto Rico Author/Creator: Zack, Allen L., author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1984 Resource Type: Book Access & Availability: Loading
5. Hydrology of the Oakley Fan area, south-central Idaho Author/Creator: Young, H. W. 1942- (Harold William), author Publication/Creation: Boise, Idaho : U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
6. Ground-water-level trends in Idaho, 1971-82 Author/Creator: Young, H. W. 1942- (Harold William), author Publication/Creation: Boise, Idaho : U.S. Geological Survey, 1984 Resource Type: Book Access & Availability: Loading
7. Testing the sensitivity of pumpage to increases in surficial aquifer system heads in the Cypress Creek well-field area, West-Central Florida : an optimization technique Author/Creator: Yobbi, D. K. Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
8. Hydrogeology, water quality, water budgets, and simulated responses to hydrologic changes in Santa Rosa and San Simeon Creek ground-water basins, San Luis Obispo County, California Author/Creator: Yates, Eugene B., author Publication/Creation: Sacramento, California : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
9. Hydrogeology and water resources of the Los Osos Valley ground-water basin, San Luis Obispo County, California Author/Creator: Yates, Eugene B., author Publication/Creation: Sacramento, California : U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
10. Nitrogen transport in a shallow outwash aquifer at Olean, Cattaraugus County, New York Author/Creator: Yager, Richard M., author Publication/Creation: Ithaca, New York : U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading