1. Tritium as an indicator of modern, mixed, and premodern groundwater age Author/Creator: Lindsey, Bruce D., 1962- author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Book Access & Availability: Loading
2. Water quality in the principal aquifers of the Piedmont, Blue Ridge, and Valley and Ridge regions, eastern United States, 1993-2009 Author/Creator: Lindsey, Bruce D., 1962- author Publication/Creation: Reston, Virginia : U.S. Geological Survey, 2014 Format: Book Access & Availability: Loading
3. Methods for evaluating temporal groundwater quality data and results of decadal-scale changes in chloride, dissolved solids, and nitrate concentrations in groundwater in the United States, 1988-2010 Author/Creator: Lindsey, Bruce D., 1962- author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2012 Format: Book Access & Availability: Loading
4. Water quality in the lower Susquehanna River Basin, Pennsylvania and Maryland, 1992-95 Author/Creator: Lindsey, Bruce D., 1962- author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 1998 Format: Book Access & Availability: Loading
5. Nitrate in ground water and stream base flow in the Lower Susquehanna River Basin, Pennsylvania and Maryland Author/Creator: Lindsey, Bruce D., 1962- author Publication/Creation: Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1997 Format: Book Access & Availability: Loading
6. Radon in ground water of the Lower Susquehanna and Potomac River Basins Author/Creator: Lindsey, Bruce D., 1962- author Publication/Creation: Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1996 Format: Book Access & Availability: Loading