1. Occurrence of beds of low hydraulic conductivity in surficial deposits of Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
2. Occurrence of natural radium-226 radioactivity in ground water of Sarasota County, Florida Author/Creator: Miller, Ronald L. (Ronald Lewis), author Publication/Creation: Tallahassee, Florida : U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading
3. Occurrence of saltwater in the alluvial aquifer in the Boeuf-Tensas Basin, Arkansas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
4. Occurrence and availability of ground water in the Athens region, northeastern Georgia Author/Creator: Radtke, Dean B., author Publication/Creation: Doraville, Georgia : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
5. Occurrence of dissolved sodium in ground waters in basalts underlying the Columbia Plateau, Washington Author/Creator: Bortleson, Gilbert Carl, 1940- author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
6. Organic compounds in ground water near a sanitary landfill in the town of Brookhaven, Long Island, New York Author/Creator: Pearsall, Kenneth A., author Publication/Creation: Syosset, New York : U.S. Geological Survey, 1986 Resource Type: Book Access & Availability: Loading
7. Overview of surface-water quality in Ohio's coal regions Author/Creator: Westover, Susan, author Publication/Creation: Columbus, Ohio : U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
8. Overview of water resources in Owens Valley, California Author/Creator: Rogers, Linda S., author Publication/Creation: Sacramento, California : U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
9. Occurrence and distribution of nitrate and herbicides in the Iowa River alluvial aquifer, Iowa--May 1984 to November 1985 Author/Creator: Detroy, Mark G., author Publication/Creation: Iowa City, Iowa : U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading
10. Observed and simulated distribution of selected herbicides in silty loam, sandy loam, and clay soil profiles near Topeka, Kansas, 1986-88 Author/Creator: Perry, Charles A., author Publication/Creation: Lawrence, Kansas : U.S. Geological Survey, 1991 Resource Type: Book Access & Availability: Loading
11. Overview and bibliography of methods for evaluating the surface-water-infiltration component of the rainfall-runoff process Author/Creator: King, R. B., author Publication/Creation: Urbana, Illinois : U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
12. Overview of susceptibility of aquifers to contamination, Union County, Arkansas Author/Creator: Leidy, Valarie A., author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 1992 Resource Type: Book Access & Availability: Loading
13. An observed-streambed-scour index for selected bridges in southwestern Indiana, 1991 Author/Creator: Robinson, Bret A., author Publication/Creation: Indianapolis, Indiana : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
14. Occurrence of selected trace elements and organic compounds and their relation to land use in the Willamette River basin, Oregon, 1992-94 Author/Creator: Anderson, Chauncey W., author Publication/Creation: Portland, Oregon : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
15. Occurrence of selenium and mercury in surface water, Wind River Indian Reservation, Wyoming, 1995 Author/Creator: Clark, Melanie L., author Publication/Creation: Cheyenne, Wyoming : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
16. Overview of water resources in and near Indian lands in northeastern Kansas and southeastern Nebraska Author/Creator: Trombley, Thomas J., author Publication/Creation: Lawrence, Kansas : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
17. Occurrence and distribution of organochlorine compounds in biological tissue and bed sediment from streams in the Trinity River basin, Texas, 1992-93 Author/Creator: Moring, J. Bruce 1959- (James Bruce), author Publication/Creation: Austin, Texas : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
18. Occurrence of dissolved solids, nutrients, atrazine, and fecal coliform bacteria during low flow in the Cheney Reservoir Watershed, south-central Kansas, 1996 Author/Creator: Christensen, Victoria G., author Publication/Creation: Lawrence, Kansas : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
19. Occurrence of nitrate, pesticides, and volatile organic compounds in the Kirkwood-Cohansey Aquifer system, southern New Jersey Author/Creator: Stackelberg, Paul E., author Publication/Creation: West Trenton, New Jersey : U.S. Department of the Interior, U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
20. Occurrence of phosphorus, other nutrients, and triazine herbicides in water from the Hillsdale Lake Basin, Northeast Kansas, May 1994 through May 1995 Author/Creator: Putnam, James E., author Publication/Creation: Lawrence, Kansas : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
21. An optimized network for phosphorus load monitoring for Lake Okeechobee, Florida Author/Creator: Gain, W. Scott, author Publication/Creation: Tallahassee, Florida : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
22. Organochlorine compounds in fish tissue and bed sediment in the upper Snake River Basin, Idaho and western Wyoming, 1992-94 Author/Creator: Maret, Terry R., author Publication/Creation: Boise, Idaho : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
23. Occurrence and distribution of dissolved pesticides in the San Joaquin River Basin, California Author/Creator: Panshin, Sandra Yvonne, 1967- author Publication/Creation: Sacramento, California : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
24. Occurrence and seasonal variability of volatile organic compounds in seven New Jersey streams Author/Creator: Reiser, Robert G., author Publication/Creation: [West Trenton, N.J. ?] : U.S. Department of the Interior, U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
25. Occurrence of nitrate and pesticides in ground water beneath three agricultural land-use settings in the eastern San Joaquin Valley, California, 1993-1995 Author/Creator: Burow, Karen R., author Publication/Creation: Sacramento, California : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
26. One-dimensional transport with inflow and storage (OTIS) : a solute transport model for streams and rivers Author/Creator: Runkel, Robert L., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
27. Organochlorine compounds in fish tissue from the Connecticut, Housatonic, and Thames River basins study unit, 1992-94 Author/Creator: Coles, James F., author Publication/Creation: Marlborough, Massachusetts : U.S. Department of the Interior, U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
28. Occurrence, distribution, and trends of volatile organic compounds in the Ohio River and its major tributaries, 1987-96 Author/Creator: Lundgren, Robert F., author Publication/Creation: Rapid City, South Dakota : U.S. Department of the Interior, U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading
29. Occurrence and quality of surface water and ground water within the Yavapai-Prescott Indian Reservation, central Arizona, 1994-98 Publication/Creation: Denver, Colo. : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
30. Occurrence of fecal coliform bacteria in selected streams in Wyoming, 1990-99 Author/Creator: Clark, Melanie L. Publication/Creation: Cheyenne, Wyo. : U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
31. Occurrence of fecal coliform bacteria in selected streams in Wyoming, 1990-99 Author/Creator: Clark, Melanie L., author Publication/Creation: Cheyenne, Wyoming : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
32. Occurrence of pesticides in streams and ground water in the Puget Sound Basin, Washington, and British Columbia, 1996-98 Author/Creator: Bortleson, Gilbert Carl, 1940- author Publication/Creation: Tacoma, Washington : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
33. One-dimensional simulation of stratification and dissolved oxygen in McCook Reservoir, Illinois Author/Creator: Robertson, Dale M. Publication/Creation: Middleton, Wis. : U.S. Dept. of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
34. Organic compounds and trace elements in fish tissue and bed sediment from streams in the Yellowstone River basin, Montana and Wyoming, 1998 Author/Creator: Peterson, David A. 1955- (David Allen), author Publication/Creation: Cheyenne, Wyoming : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
35. Organochlorine compounds in streambed sediment and in biological tissue from streams and their relations to land use, central Arizona Author/Creator: Gebler, J. B. (Joseph B.) Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Resource Type: Book Access & Availability: Loading
36. Organochlorine compounds in streambed sediment and in biological tissue from streams and their relations to land use, central Arizona Author/Creator: Gebler, J. B. (Joseph B.), author Publication/Creation: Tucson, Arizona : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
37. Occurrence and distribution of enteric viruses in shallow ground water and factors affecting well vulnerability to microbiological contamination in Worcester and Wicomico Counties, Maryland Author/Creator: Banks, William S. L., author Publication/Creation: Baltimore, Maryland : U.S. Department of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
38. Occurrence and distribution of methyl tert-butyl ether and other volatile organic compounds in drinking water in the northeast and mid-atlantic regions of the United States, 1993-98 Author/Creator: Grady, Stephen J., author Publication/Creation: East Hartford, Connecticut : U.S. Department of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
39. Occurrence and distribution of organochlorine pesticides, polychlorinated biphenyls, and trace elements in fish tissue in the lower Tennessee River Basin, 1980-98 Author/Creator: Knight, Rodney R. Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
40. Occurrence, distribution, and loads of selected pesticides in streams in the Lake Erie-Lake St. Clair Basin, 1996-98 Author/Creator: Frey, Jeffrey W. Publication/Creation: Indianapolis, Ind. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
41. Occurrence, distribution, and loads of selected pesticides in streams in the Lake Erie-Lake St. Clair Basin, 1996-98 Author/Creator: Frey, Jeffrey W., author Publication/Creation: Indianapolis, Indiana : U.S. Department of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
42. Occurrence of phosphorus, nitrate, and suspended solids in streams of the Cheney Reservoir Watershed, south-central Kansas, 1997-2000 Author/Creator: Milligan, Chad R. Publication/Creation: Lawrence, Kan. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
43. Occurrence of selected radionuclides in ground water used for drinking water in the United States : a reconnaissance survey, 1998 Author/Creator: Focazio, Michael J., author Publication/Creation: Reston, Virginia : U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
44. Optimization of ground-water withdrawal at the old O-Field area, Aberdeen Proving Ground, Maryland Author/Creator: Banks, William S. L. Publication/Creation: Baltimore, Md. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
45. 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
46. 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
47. 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
48. 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
49. Occurrence and status of volatile organic compounds in ground water from rural, untreated, self-supplied domestic wells in the United States, 1986-99 Publication/Creation: Rapid City, SD : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading
50. Occurrence and distribution of dissolved trace elements in the surface waters of the Yakima River Basin, Washington Author/Creator: Hughes, Curt A. Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading