11. Occurrence of volatile organic compounds in drinking water from the United States : results from archived chromatograms and water samples, 1989-2000 Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor] Resource Type: Book Access & Availability: Loading
12. Occurrence, trends, and sources in particle-associated contaminants in selected streams and lakes in Fort Worth, Texas Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Resource Type: Book Access & Availability: Loading
13. Organic and trace element contaminants in water, biota, sediment, and semipermeable membrane devices at the Tres Rios Treatment Wetlands, Phoenix, Arizona Publication/Creation: Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
14. Organic carbon trends, loads, and yields to the Sacramento-San Joaquin Delta, California, water years 1980-2000 Publication/Creation: Sacramento, Calif. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
15. Overview of water resources in and near Wichita and Affiliated Tribes treaty lands in western Oklahoma Publication/Creation: Oklahoma City, OK : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
16. Oxidation-reduction processes in ground water at Naval Weapons Industrial Reserve Plant, Dallas, Texas Author/Creator: Jones, S. A. 1852-1933. (S. Armistead) Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
17. Observations of environmental change in Grand Canyon, Arizona Author/Creator: Webb, Robert H. Publication/Creation: U.S. Geological Survey, Information Services [distributor]. Resource Type: Book Access & Availability: Loading
18. Observed and predicted pier scour in Maine Author/Creator: Hodgkins, Glenn, author Publication/Creation: Augusta, Maine : U.S. Department of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading
19. Occurrence and distribution of microbiological contamination and enteric viruses in shallow ground water in Baltimore and Harford counties, Maryland Author/Creator: Banks, William S. L. Publication/Creation: Baltimore, Md. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading
20. Occurrence and distribution of microbiological contamination and enteric viruses in shallow ground water in Baltimore and Harford counties, Maryland Author/Creator: Banks, William S. L. Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor] Resource Type: Book Access & Availability: Loading