11. 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
12. Water use in the United States, 1980 Author/Creator: Solley, Wayne B., author Publication/Creation: Reston, Virginia : Department of the Interior, U.S. Geological Survey, [1987] Resource Type: Book Access & Availability: Loading
13. Cluster analysis of phytoplankton data collected from the National Stream Quality Accounting Network in the Tennessee River Basin, 1974-81 Author/Creator: Stephens, Doyle W., author Publication/Creation: Salt Lake City, Utah : U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
14. Results of external quality-assurance program for the National Atmospheric Deposition Program and National Trends Network during 1985 Author/Creator: Brooks, Myron H., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
15. Selected reports that include computer programs produced by the U.S. Geological Survey for simulation of ground-water flow and quality Author/Creator: Appel, Charles A., author Publication/Creation: [Reston, Virginia] : U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
16. External quality-assurance results for the National Atmospheric Deposition Program and the National Trends Network during 1987 Author/Creator: See, Randolph B., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
17. Proceedings of the Advanced Seminar on One-dimensional, Open-Channel Flow and Transport Modeling : June 15-18, 1987, National Space Technology Laboratory, Bay St. Louis, Mississippi Author/Creator: Advanced Seminar on One-dimensional, Open-Channel Flow and Transport Modeling : National Space Technology Laboratory), (1987 : author. author Publication/Creation: Reston, Virginia : U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
18. Quality-assurance data for routine water analysis in the laboratories of the U.S. Geological Survey for water year 1986 Author/Creator: Lucey, Keith J., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
19. Quality-assurance data for routine water analysis in the National Water-Quality Laboratory of the U.S. Geological Survey for water year 1988 Author/Creator: Lucey, Keith J., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
20. Stability of nitrate-ion concentrations in simulated deposition samples used for quality-assurance activities by the U.S. Geological Survey Author/Creator: Willoughby, Timothy C., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading