These surplus/withdrawn materials are available from the EPA Region 2 Library. Please email me directly with your requests. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Rebecca Garvin Head Librarian US EPA Region 2 Library 290 Broadway, 16th Floor New York, NY 10007 [log in to unmask] 212-637-3505 212-637-3086 fax - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1. Ground-water monitoring at Santa Barbara, California : phase 2 : effects of pumping on water levels and on water quality in the Santa Barbara ground-water basin 2. Estimation of nonpoint-source loadings of phosphorus for lakes in the Puget Sound region, Washington 3. Distribution of polychlorinated biphenyls in the Housatonic River and adjacent aquifer, Massachusetts 4. Effects of land use on quality of water in stratified-drift aquifers in Connecticut 5. Effects of low-level radioactive-waste disposal on water chemistry in the unsaturated zone at a site near Sheffield, Illinois, 1982-84 6. Estimation of peak-frequency relations, flood hydrographs, and volume-duration-frequency relations of ungaged small urban streams in Ohio 7. Dissolved oxygen in the Tualatin River, Oregon, during winter flow conditions, 1991 and 1992 8. Modeling discharge, temperature, and water quality in the Tualatin River, Oregon 9. Sources and transport of phosphorus and nitrogen during low-flow conditions in the Tualatin River, Oregon, 1991-93 10. Description of the ground-water flow system in the Portland Basin, Oregon and Washington 11. Using chloride and chlorine-36 as soil-water tracers to estimate deep percolation at selected locations on the U.S. Department of Energy Hanford site, Washington 12. Numerical model analysis of the effects of ground-water withdrawals on discharge to streams and springs in small basins typical of the Puget Sound lowland, Washington 13. Validation of a numerical modeling method for simulating rainfall-runoff relations for headwater basins in western King and Shohomish counties, Washington 14. Ground-water-quality assessment of the central Oklahoma aquifer, Oklahoma : results of investigations 15. Results of hydrologic research at a low-level radioactive-waste disposal site near Sheffield, Illinois 16. Tritium migration from a low-level radio-active-waste disposal site near Chicago, Illinois 17. 1996 annual report on Alaska's mineral resources 18. Environmental characteristics and water quality of hydrologic benchmark network stations in the western United States, 1963-95 19. Prospects for mineral resource assessments on public lands : proceedings of the Leesburg workshop 20. A Synoptic approach for analyzing erosion as a guide to land-use planning [River-quality assessment of the Willamette River Basin, Oregon] 21. Selection of streamflow and reservoir-release models for river quality assessment [River-quality assessment of the Willamette River Basin, Oregon] 22. Hydrologic analysis and river-quality data programs [River-quality assessment of the Willamette River Basin, Oregon] 23. Project development and data programs for assessing the quality of the Willamette River, Oregon 24. A Synoptic survey of trace metals in bottom sediments of the Willamette River, Oregon 25. Algal conditions and the potential for future algal problems in the Willamette River, Oregon 26. Reservoir-system model for the Willamette River Basin, Oregon 27. Dissolved oxygen regimen of the Willamette River, Oregon, under conditions of basinwide secondary treatment 28. Steady-state dissolved oxygen model of the Willamette River, Oregon 29. Hydrologic classification and estimation of basin and hydrologic characteristics of subbasins in central Idaho 30. Magma migration and resupply during the 1974 summit eruptions of Kilauea Volcano, Hawaii 31. Mineral resource potential and geology of the Routt National Forest and the Middle Park Ranger District of the Arapaho National Forest, Colorado 32. Geologic studies in Alaska by the U.S. Geological Survey, 1998 33. Geologic studies in Alaska by the U.S. Geological Survey, 1999