1. National Brackish Groundwater Assessment Publication/Creation: [Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, 2013 Resource Type: Book Access & Availability: Loading
2. National Water-Quality Assessment Program--Cycle II : regional assessments of aquifers Author/Creator: Lapham, Wayne W. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2005] Resource Type: Book Access & Availability: Loading