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42. Quality of wet deposition in the Grand Calumet River watershed, northwestern Indiana, June 30, 1992-August 31, 1993
43. Quality of wet deposition in the Grand Calumet River Watershed, Northwestern Indiana, October 17, 1995-November 12, 1996
44. Quality-assurance data, comparison to water-quality standards, and site considerations for total dissolved gas and water temperature, lower Columbia River, Oregon and Washington, 2001
45. Quality-assurance data for routine water analysis in the laboratories of the U.S. Geological Survey : 1981 annual report
46. Quality-assurance data for routine water analysis in the laboratories of the U.S. Geological Survey for water year 1986
47. Quality-assurance data for routine water analysis in the laboratories of the U.S. Geological Survey for water year 1990
48. Quality-assurance data for routine water analysis in the laboratories of the U.S. Geological Survey for water-year 1983
49. Quality-assurance data for routine water analysis in the National Water-Quality Laboratory of the U.S. Geological Survey for water year 1987
50. Quality-assurance data for routine water analysis in the National Water-Quality Laboratory of the U.S. Geological Survey for water year 1988
51. Quality-assurance design applied to an assessment of agricultural pesticides in ground water from carbonate bedrock aquifers in the Great Valley of eastern Pennsylvania
52. Quality-assurance, quality-control manual for collection and analysis of water-quality data in the Ohio District, U.S. Geological Survey
53. Quality-assurance results for routine water analyses in U.S. Geological Survey laboratories, water year 1998
54. Quality-control results for ground-water and surface-water data, Sacramento River basin, California, National-Water Quality Assessment, 1996-1998
55. Quantification of deep percolation from two flood-irrigated alfalfa fields, Roswell Basin, New Mexico
56. Quantification of metal loading in Fisher Creek by tracer injection and synoptic sampling, Park County, Montana, August 1997
57. Quantification of metal loading in French Gulch, Summit County, Colorado, using a tracer-injection study, July 1996
58. Quantification of metal loading to Silver Creek through the Silver Maple Claims area, Park City, Utah, May 2002
59. Quantification of metal loads and assessment of metal sources in upper Beaver Creek watershed, Shoshone County, Idaho, May and June 2002
60. Quantification of metal loads by tracer injection and synoptic sampling in Daisy Creek and the Stillwater River, Park County, Montana, August 1999
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