1. Percentile distributions of median nitrite plus nitrate as nitrogen, total nitrogen, and total phosphorus concentrations in Oklahoma streams, 1973-2001 Author/Creator: Haggard, Brian E. (Brian Edward) Publication/Creation: Oklahoma City, OK : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
2. Phosphorus in a ground-water contaminant plume discharging to Ashumet Pond, Cape Cod, Massachusetts, 1999 Publication/Creation: Northborough, MA : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
3. Possible extent and depth of salt contamination in ground water using geophysical techniques, Red River Aluminum site, Stamps, Arkansas, April 2003 Publication/Creation: Denver, Colo. : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
4. Possible sources of nitrate in ground water at swine licensed-managed feeding operations in Oklahoma, 2001 Author/Creator: Becker, Mark F. Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Edition: Revised Jan. 2003. Access & Availability: Loading
5. Possible sources of nitrate in ground water at swine licensed-managed feeding operations in Oklahoma, 2001 Author/Creator: Becker, Mark F. Publication/Creation: Oklahoma City, OK : U.S. Dept. of the Interior, U.S. Geological Survey, [2002] Resource Type: Book Access & Availability: Loading
6. Potentiometric surface of the Ozark aquifer in northern Arkansas, 2001 Author/Creator: Schrader, Tony P. Publication/Creation: Little Rock, Ark. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
7. Probability of detecting atrazine/desethyl-atrazine and elevated concentrations of nitrate in ground water in Colorado Author/Creator: Rupert, Michael, 1959- Publication/Creation: Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
8. Probability of detecting elevated concentrations of nitrate in ground water in a six-county area of south-central Idaho Author/Creator: Skinner, K. D. (Kenneth D.) Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Resource Type: Book Access & Availability: Loading