1. Regional Aquifer-System Analysis Program of the U.S. Geological Survey--bibliography, 1978-86 Author/Creator: Weeks, John B., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
2. Relation between land use and ground-water quality in the upper glacial aquifer in Nassau and Suffolk counties, Long Island, New York Author/Creator: Eckhardt, David A., author Publication/Creation: Syosset, New York : U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
3. Review of mechanisms, methods, and theory for determining recharge to shallow aquifers in North Dakota Author/Creator: Horak, W. F., author Publication/Creation: Bismarck, North Dakota : U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading