1. Water quality in the nation's streams and aquifers : overview of selected findings, 1991-2001 Author/Creator: Hamilton, Pixie A. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2004 Format: Book Access & Availability: Loading
2. Are fertilizers and pesticides in the ground water? : a case study of the Delmarva Peninsula, Delaware, Maryland, and Virginia Author/Creator: Hamilton, Pixie A. Publication/Creation: [Washington, D.C.] : U.S. G.P.O. ; Denver, CO : Free on application to the Books and Open-File Reports Section, U.S. Geological Survey, 1992 Format: Book Access & Availability: Loading
3. Water-quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia--analysis of available ground-water-quality data through 1987 Author/Creator: Hamilton, Pixie A. Publication/Creation: Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey Format: Book Access & Availability: Loading