1. Changes in chloride concentration in water from municipal wells that tap aquifers in rocks of Cambrian and Ordovician age in northeastern Illinois, 1915-84 Author/Creator: Balding, G. O., author Publication/Creation: Urbana, Illinois : U.S. Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Book Access & Availability: Loading
2. Changes in water levels and water quality in shallow ground water, Pittman-Henderson Area, Clark County, Nevada, resulting from diversion of industrial cooling water from ditch to pipeline in 1985 Author/Creator: Carlsen, Christian L., author Publication/Creation: Carson City, Nevada : U.S. Geological Survey, 1991 Resource Type: Book Access & Availability: Loading
3. Clean Water Act research and monitoring : hearing before the Subcommittee on Environment of the Committee on Science, Space, and Technology, U.S. House of Representatives, One Hundred Second Congress, first session, June 5, 1991 Author/Creator: United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Environment Publication/Creation: For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office Resource Type: Book Is Part Of: Bound with: Y 4.SCI 2:102/46-52 ; Trade and technology :implications of the GATT negotiations : hearing before the Subcommittee on Technology and Competitiveness of the Committee on Science, Space, and Technology, U.S. House of Representatives, One Hundred Second Congress, first session, July 30, 1991. Access & Availability: Loading
4. Considerations related to drilling methods in planning and performing borehole-geophysical logging for ground-water studies Author/Creator: Hodges, Richard E. 1948-2015, (Richard Everett), author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1991 Resource Type: Book Access & Availability: Loading
5. Considerations related to drilling methods in planning and performing borehole-geophysical logging for ground-water studies Author/Creator: Hodges, Richard E. 1948-2015, (Richard Everett), author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1991 Resource Type: Book Access & Availability: Loading
6. Coordinating water resources in the federal system : the groundwater-surface water connection Author/Creator: Blomquist, William A. 1957- (William Andrew) Publication/Creation: Washington, DC (800 K St., NW, South Building, Suite 450, Washington 20575) : U.S. Advisory Commission on Intergovernmental Relations, [1991] Resource Type: Book Access & Availability: Loading
7. Correlation of regional geohydrologic units to geological formations in southern Missouri Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading