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2. Águas subterrâneas
3. Altitude and configuration of the potentiometric surface in the Triassic sandstones and shales, northern Chester County, Pennsylvania, October 1989 through March 1990
4. Altitude and configuration of the water-level surface in lower Paleozoic and Precambrian crystalline rocks in the Red Clay Creek Basin, Chester County, Pennsylvania, and New Castle County, Delaware, June through October 1989 and March 1990
5. Altitude of potentiometric surface, fall 1985, and historic water-level changes in the Fort Pillow aquifer in western Tennessee
6. Altitude of potentiometric surface, fall 1985, and historic water-level changes in the Memphis Aquifer in western Tennessee
7. Analysis of the effects of hypothetical changes in ground-water withdrawal from the Floridan aquifer system in the area of Glynn County, Georgia
8. Analysis of the ground-water flow system, geochemistry, and underseepage in the vicinity of the Red Rock Dam near Pella, Iowa
9. Application of geophysical well log analysis to characterization of aquifers in the Sinai Region, Republic of Egypt
10. Appraisal of the water resources of the Skunk Creek aquifer in Minnehaha County, South Dakota
11. Approximate water-level changes in wells completed in the Chicot and Evangeline aquifers, 1977-91 and 1990-91, and measured compaction, 1973- 90, in the Houston-Galveston region, Texas
12. Assessment of contamination of ground water and surface water in the area of building 24, Picatinny Arsenal, New Jersey, 1986-87
13. Assessment of ground-water contamination from a leaking underground storage tank at a Defense Supply Center near Richmond, Virginia
14. Availability of ground water from unconsolidated deposits in the Mohawk River Basin, New York
15. Availability of water from stratified-drift aquifers in the Farmington River valley, Simsbury, Connecticut
16. Background concentrations of selected radionuclides, organic compounds, and chemical constituents in ground water in the vicinity of the Idaho National Engineering Laboratory
17. Biological treatment of wood preserving site groundwater by BioTrol, Inc : applications analysis report
18. Changes in chloride concentration in water from municipal wells that tap aquifers in rocks of Cambrian and Ordovician age in northeastern Illinois, 1915-84
19. Changes in water levels and water quality in shallow ground water, Pittman-Henderson Area, Clark County, Nevada, resulting from diversion of industrial cooling water from ditch to pipeline in 1985
20. Chemical modeling of aqueous systems II
21. Computerized stratified random site-selection approaches for design of a ground-water-quality sampling network
22. Considerations related to drilling methods in planning and performing borehole-geophysical logging for ground-water studies
23. Definition of the geohydrologic framework and preliminary simulation of ground-water flow in the Mississippi embayment aquifer system, gulf coastal plain, United States
24. Delineation of a hydrocarbon (weathered gasoline) plume in shallow deposits at the U.S. Naval Weapons Station, Seal Beach, California
25. Depth to water in the western Snake River Plain and surrounding tributary valleys, southwestern Idaho and eastern Oregon, calculated using water levels from 1980 to 1988
26. Description and evaluation of selected methods used to delineate wellhead-protection areas around public-supply wells near Mt. Hope, Kansas
27. Determination of hydraulic properties in the vicinity of a landfill near Antioch, Illinois
28. The difference between the potentiometric surfaces of the Aquia aquifer of September 1986 and September 1988 in southern Maryland
29. A digital simulation of the glacial-aquifer system in the northern three-fourths of Brown County, South Dakota
30. Distribution of wells in the central part of the western San Joaquin Valley, California
31. The effects of coal mining on the hydrologic environment of selected stream basins in southern West Virginia
32. Effects of land-use buffer size on Spearman's partial correlations of land use and shallow ground-water quality
33. Effects of present and projected ground-water withdrawals on the Twin Cities aquifer system, Minnesota
34. Effects of storm-water runoff on local ground-water quality, Clarksville, Tennessee
35. Effects of surface coal mining and reclamation on the geohydrology of six small watersheds in west-central Indiana
36. Emerging technologies in hazardous waste management II
37. Estimates of freshwater storage and potential natural recharge for principal aquifers in Kansas
38. Estimates of ground-water recharge to the Columbia Plateau regional aquifer system, Washington, Oregon, and Idaho, for predevelopment and current land-use conditions
39. Evaluation of ground-water recharge along the Gila River as a result of the flood of October 1983, in and near the Gila River India Reservation, Maricopa and Pinal Counties, Arizona
40. Evaluation of ground-water-level changes near Gillette, northeastern Wyoming
41. Evaluation of the hydrogeology and contamination in the vicinity of an abandoned manufactured gas plant in Albany, Georgia
42. Extent and source of organic solvents in ground water in the Argonne Road area near Spokane, Washington
43. Field studies of radon in rocks, soils, and water
44. Formation of perched ground-water zones and concentrations of selected chemical constituents in water, Idaho National Engineering Laboratory, Idaho, 1986-88
45. Generalized potentiometric surfaces of the Red River alluvial aquifer, pool 1, Red River Waterway Area, central Louisiana
46. Geochemical relations and distribution of selected trace elements in ground water of the northern part of the western San Joaquin Valley, California
47. Geochemistry of batch-extract waters derived from spoil material collected at the Cordero coal mine, Powder River basin, Wyoming
48. Geochemistry of ground water in alluvial basins of Arizona and adjacent parts of Nevada, New Mexico, and California
49. Geochemistry of ground water in alluvial basins of Arizona and adjacent parts of Nevada, New Mexico, and California
50. Geohydrology and chemical quality of ground water, San Bernardino National Wildlife Refuge, Arizona
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