1. Processes affecting phosphorus and copper concentrations and their relation to algal growth in two supply reservoirs in the lower coastal plains of Virginia, 2002-2003, and implications for alternative management strategies Author/Creator: Speiran, Gary K. Publication/Creation: Reston, Va. : U.S. Geological Survey, 2007 Resource Type: Book Access & Availability: Loading
2. Natural processes for managing nitrate in ground water discharged to Chesapeake Bay and other surface waters : more than forest buffers Author/Creator: Speiran, Gary K. Publication/Creation: [Reston, Va.] : [U.S. Department of the Interior, U.S. Geological Survey], [1998] Resource Type: Book Access & Availability: Loading
3. Geohydrology and geochemistry near coastal ground-water-discharge areas of the Eastern Shore, Virginia Author/Creator: Speiran, Gary K. Publication/Creation: Denver, CO : For sale by the U.S. Geological Survey, Information Services Resource Type: Book Access & Availability: Loading
4. Effects of sediment depositional environment and ground-water flow on the quality and geochemistry of water in aquifers in sediments of Cretaceous age in the coastal plain of South Carolina Author/Creator: Speiran, Gary K. Publication/Creation: Denver CO : For sale by the Map distribution, U.S Geological Survey Resource Type: Book Access & Availability: Loading