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. Influence of land use and open-water wetlands on water quality in the Lake Wallenpaupack basin, northeastern Pennsylvania Author/Creator: Sams, James I., author Publication/Creation: Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading
3. Investigation of the distribution of organochlorine and polycyclic aromatic hydrocarbon compounds in the lower Columbia River using semipermeable membrane devices Author/Creator: McCarthy, Kathleen A. Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
4. Investigation of the distribution of organochlorine and polycyclic aromatic hydrocarbon compounds in the lower Columbia River using semipermeable membrane devices Author/Creator: McCarthy, Kathleen A., author Publication/Creation: Portland, Oregon : U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading