U.S. Geological Survey
Water-Resources Investigations Report 02-4180
by Gregory C. Johnson
Table of Contents
Abstract
Introduction
Purpose and Scope
Description of the Valley and Ridge Physiographic Province
Hydrogeology
Land Use, Population, and Water Use
Acknowledgments
Approach
Site Selection
Sample Collection
Sample Analysis
Quality-Control Samples
Water Quality of Springs in the Valley and Ridge Physiographic Province
Nutrients
Bacteria
Pesticides
Volatile Organic Compounds
Summary
References
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