1. Quality-assurance data for routine water analysis in the laboratories of the U.S. Geological Survey : 1981 annual report Author/Creator: Peart, Dale B., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1983 Resource Type: Book Access & Availability: Loading
2. Quality-assurance data for routine water analysis in the laboratories of the U.S. Geological Survey for water-year 1983 Author/Creator: Peart, Dale B., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1984 Resource Type: Book Access & Availability: Loading
3. 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
4. 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
5. 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
6. U.S. Geological Survey Toxic Substances Hydrology Program : proceedings of the Technical Meeting, Phoenix, Arizona, September 26-30, 1988 Author/Creator: U.S. Geological Survey Toxic Substances Hydrology Program. Technical Meeting Phoenix, Ariz.), (1988 : author Publication/Creation: Reston, Virginia : U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
7. A steady-state unsaturated-zone model to simulate pesticide transport Author/Creator: Rutledge, A. T., author Publication/Creation: Lawrence, Kansas : U.S. Geological Survey, 1991 Resource Type: Book Access & Availability: Loading
8. U.S. Geological Survey Toxic Substances Hydrology Program : proceedings of the technical meeting, Monterey, California, March 11-15, 1991 Publication/Creation: Reston, Virginia : U.S. Geological Survey, 1991 Resource Type: Book Access & Availability: Loading
9. Quality-assurance data for routine water analysis in the laboratories of the U.S. Geological Survey for water year 1990 Author/Creator: Maloney, Thomas J., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1993 Resource Type: Book Access & Availability: Loading
10. Nutrients in ground water and surface water of the United States--an analysis of data through 1992 Author/Creator: Mueller, David K., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading