31. Preliminary delineation and description of the regional aquifers of Tennessee : Tertiary aquifer system Author/Creator: Brahana, J. V., author Publication/Creation: Nashville, Tennessee : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
32. Preliminary delineation and description of the regional aquifers of Tennessee : the Central Basin aquifer system Author/Creator: Brahana, J. V., author Publication/Creation: Nashville, Tennessee : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
33. Preliminary delineation and description of the regional aquifers of Tennessee : the Cretaceous aquifer system of west Tennessee Author/Creator: Brahana, J. V., author Publication/Creation: Nashville, Tennessee : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
34. Preliminary delineation and description of the regional aquifers of Tennessee : the Highland Rim aquifer system Author/Creator: Brahana, J. V., author Publication/Creation: Nashville, Tenn. : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
35. A preliminary evaluation of hydrology and water quality near the Tacoma landfill, Pierce County, Washington Author/Creator: Lum, W. E. (William E.), author Publication/Creation: Tacoma, Washington : United States Department of the Interior, Geological Survey, 1985 Resource Type: Book Access & Availability: Loading
36. Preliminary map showing the difference between the potentiometric surfaces of the Aquia aquifer of September 1982 and September 1984 in southern Maryland Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : United States Department of the Interior, Geological Survey, 1985 Resource Type: Map Access & Availability: Loading
37. Preliminary map showing the potentiometric surface of the Aquia aquifer in southern Maryland, September 1984 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : U.S. Department of the Interior, U.S. Geological Survey, 1985 Resource Type: Map Access & Availability: Loading
38. Preparation of polyethylene sacks for collection of precipitation samples for chemical analysis Author/Creator: Schroder, L. J., author Publication/Creation: Lakewood, Colorado : U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading
39. Programmers manual for a one-dimensional Lagrangian transport model Author/Creator: Schoellhamer, David H., author Publication/Creation: NSTL, Mississippi : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
40. Progress report on the effects of highway construction on suspended-sediment discharge in the Coal River and Trace Fork, West Virginia, 1975-81 Author/Creator: Downs, Sanford C., author Publication/Creation: Charleston, West Virginia : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading