1. Identification of nitrate sources contributing to ground water in the Indian Hills area of Douglas County, Nevada Author/Creator: Thomas, James M., author Publication/Creation: Carson City, Nevada : U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading
2. Indicators of the sources and distribution of nitrate in water from shallow domestic wells in agricultural areas of the New Jersey Coastal Plain Author/Creator: Vowinkel, Eric F., author Publication/Creation: West Trenton, New Jersey : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading