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51 Water quality of selected effluent-dependent stream reaches in southern Arizona as indicated by concentrations of periphytic chlorophyll a and aquatic-invertebrate communities1998wwdl_erText
52 Las Vegas, Nevada: Gambling with water in the desert1999wwdl_erText
53 Water resources data, Arizona, water year 20042005wwdl_erText
54 Relations of Tualatin River water temperatures to natural and human-caused factors1997wwdl_erText
55 Summary of information on aquatic biota and their habitats in the Willamette Basin, Oregon, through 19951997wwdl_erText
56 User's guide for the MODTOOLS: computer programs for translating data of MODFLOW and MODPATH into geographic information system files1997wwdl_erText
57 Total dissolved gas, barometric pressure, and water temperature data, lower Columbia River, Oregon and Washington, 19961996wwdl_erText
58 Sediment oxygen demand in Upper Klamath and Agency Lakes, Oregon, 19992001wwdl_erText
59 Modeling water quality in the Tualatin River, Oregon, 1991-19972001wwdl_erText
60 The effect of chamber mixing velocity on bias in measurement of sediment oxygen demand rates in the Tualatin River Basin, Oregon2003wwdl_erText
61 Stream velocity and dispersion characteristics determined by dye-tracer studies on selected stream reaches in the Willamette River Basin, Oregon1995wwdl_erText
62 Geologic framework of the regional ground-water flow system in the Upper Deschutes Basin, Oregon2002wwdl_erText
63 Ground - water hydrology of the Upper Deschutes Basin, Oregon2001wwdl_erText
64 Water-quality and algal conditions in the North Umpqua River Basin, Oregon, 1992-95, and implications for resource management1998wwdl_erText
65 Herbicide use in the management of roadside vegetation, Western Oregon, 1999-2000: effects on the water quality of nearby streams2001wwdl_erText
66 Upper Klamath Basin nutrient-loading study- estimate of wind-induced resuspension of bed sediment during periods of low lake elevation1996wwdl_erText
67 Simulation of ground-water flow in the Middle Rio Grande Basin between Cochiti and San Acacia, New Mexico2002wwdl_erText
68 Simulated effects of ground-water management scenarios on the Santa Fe group aquifer system, Middle Rio Grande Basin, New Mexico, 2001-402003wwdl_erText
69 Merged digital aeromagnetic data for the middle Rio Grande and southern Espanola basins, New Mexico2002wwdl_erText
70 Geochemical Characterization of Ground-water Flow in the Santa Fe Group Aquifer System, Middle Rio Grande Basin, New Mexico2004wwdl_erText
71 Monitoring and Assessing our Nation's Water Quality2002wwdl_erText
72 Ground-water resources of the middle Rio Grande basin, New Mexico2002wwdl_erText
73 Ground Water Atlas of the United States; Oklahoma, Texas1996wwdl_erText
74 Ground-water resources of the Middle Rio Grande Basin2002wwdl_erText
75 The U.S. Geological Survey recent highlights; natural resources1997wwdl_erText
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