1. Assessing ground-water vulnerability to contamination : providing scientifically defensible information for decision makers Author/Creator: Focazio, Michael J., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading
2. Occurrence of selected radionuclides in ground water used for drinking water in the United States : a reconnaissance survey, 1998 Author/Creator: Focazio, Michael J., author Publication/Creation: Reston, Virginia : U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
3. A retrospective analysis on the occurrence of arsenic in ground-water resources of the United States and limitations in drinking-water-supply characterizations Author/Creator: Focazio, Michael J., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
4. Preliminary estimates of residence times and apparent ages of ground water in the Chesapeake Bay watershed, and water-quality data from a survey of springs Author/Creator: Focazio, Michael J., author Publication/Creation: Richmond, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
5. Selected characteristics of stormflow and base flow affected by land use and cover in the Chickahominy River basin, Virginia, 1989-91 Author/Creator: Focazio, Michael J., author Publication/Creation: Richmond, Virginia : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
6. Documentation of geographic-information-system coverages and data-input files used for analysis of the geohydrology of the Virginia Coastal Plain Author/Creator: Focazio, Michael J., author Publication/Creation: Richmond, Virginia : U.S. Geological Survey, 1993 Resource Type: Book Access & Availability: Loading
7. Quality of ground water in the coastal plain physiographic province of Virginia Author/Creator: Focazio, Michael J., author Publication/Creation: Richmond, Virginia : U.S. Geological Survey, 1993 Resource Type: Book Access & Availability: Loading
8. Estimating net drawdown resulting from episodic withdrawals at six well fields in the coastal plain physiographic province of Virginia Author/Creator: Focazio, Michael J., author Publication/Creation: Richmond, Virginia : U.S. Geological Survey, 1993 Resource Type: Book Access & Availability: Loading