1. UFINCH--a method for stimulating unit and daily flows in networks of channels described by NHDPlus using continuous flow data at USGS streamgages Author/Creator: Holtschlag, David J., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2018 Format: Book Access & Availability: Loading
2. Uncertainty in the Great Lakes water balance Author/Creator: Neff, Brian P. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005 Format: Book Access & Availability: Loading
3. Understanding sources and distribution of Escherichia coli at Lake St. Clair Metropark Beach, Macomb County, Michigan Author/Creator: Fogarty, Lisa R., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2021 Format: Book Access & Availability: Loading
4. Understanding the effect of salinity tolerance on cyanobacteria associated with a harmful algal bloom in Lake Okeechobee, Florida Author/Creator: Rosen, Barry H., 1954- author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2018 Format: Book Access & Availability: Loading
5. Undocumented late 18th- to early 19th-century volcanic eruptions in the Southwest Rift Zone of Kīlauea Volcano, Hawai'i Author/Creator: Hazlett, Richard W., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Book Access & Availability: Loading
6. Ungulate migrations of the western United States Author/Creator: Kauffman, Matthew J., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2020- Format: Book Access & Availability: Loading
7. A unified catalog of earthquake hypocenters and magnitudes at volcanoes in Alaska : 1989 to 2018 Author/Creator: Power, John A., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Book Access & Availability: Loading
8. United States copper metal and scrap use and trade patterns, 1995-2014 Author/Creator: Goonan, Thomas G., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2016 Format: Book Access & Availability: Loading
9. Update and recalibration of the Rio Grande Transboundary Integrated Hydrologic Model, New Mexico and Texas, United States, and northern Chihuahua, Mexico Author/Creator: Ritchie, Andre B., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2022 Format: Book Access & Availability: Loading
10. An update of hydrologic conditions and distribution of selected constituents in water, eastern Snake River Plain Aquifer and perched groundwater zones, Idaho National Laboratory, Idaho, emphasis 2009-11 Author/Creator: Davis, Linda C., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013 Format: Book Access & Availability: Loading
11. An update of hydrologic conditions and distribution of selected constituents in water, Snake River Plain aquifer and perched groundwater zones, Idaho National Laboratory, Idaho, emphasis 2006-08 Author/Creator: Davis, Linda C., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2010 Format: Book Access & Availability: Loading
12. An update of hydrologic conditions and distribution of selected constituents in water, Snake River Plain aquifer and perched-water zones, Idaho National Laboratory, Idaho, emphasis 2002-05 Author/Creator: Davis, Linda C., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2008 Format: Book Access & Availability: Loading
13. Update of the accounting surface along the lower Colorado River Publication/Creation: Reston, Va. : U.S. Geological Survey, 2009 Format: Book Edition: Version 1.1, revised and printed 2009. Access & Availability: Loading
14. An update of the distribution of selected radiochemical and chemical constituents in perched ground water, Idaho National Laboratory, Idaho, emphasis 1999-2001 Author/Creator: Davis, Linda C. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006 Format: Book Access & Availability: Loading
15. Update of the groundwater flow model for the Great Miami buried-valley aquifer in the vicinity of Wright-Patterson Air Force Base near Dayton, Ohio Author/Creator: Riddle, Alexander, author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2021 Format: Book Access & Availability: Loading
16. Updated computations and estimates of streamflows tributary to Carson Valley, Douglas County, Nevada, and Alpine County, California, 1990-2002 Author/Creator: Maurer, Douglas K. Publication/Creation: Carson City, Nev. : U.S. Geological Survey, 2004 Format: Book Access & Availability: Loading
17. Updated computations and estimates of streamflows tributary to Carson Valley, Douglas County, Nevada, and Alpine County, California, 1990-2002 Author/Creator: Maurer, Douglas K. Publication/Creation: Carson City, Nev. : U.S. Dept. of the Interior, U.S. Geological Survey, 2004 Format: Book Access & Availability: Loading
18. Updated numerical model with uncertainty assessment of 1950-56 drought conditions on brackish-water movement within the Edwards Aquifer, San Antonio, Texas Author/Creator: Brakefield, Linzy K., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2015 Format: Book Access & Availability: Loading
19. Updated study reporting levels (SRLs) for trace-element data collected for the California Groundwater Ambient Monitoring and Assessment (GAMA) Priority Basin Project, October 2009-March 2013 Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2014 Format: Book Access & Availability: Loading
20. Updated study reporting levels (SRLs) for trace-element data collected for the California Groundwater Ambient Monitoring and Assessment (GAMA) Program Priority Basin Project, October 2009-October 2018 Author/Creator: Bennett, George L., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2020 Format: Book Access & Availability: Loading
21. Updates to the Madison Lake (Minnesota) CE-QUAL-W2 water-quality model for assessing algal community dynamics Author/Creator: Smith, Erik A., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Book Access & Availability: Loading
22. Updates to the suspended sediment SPARROW model developed for western Oregon and northwestern California Author/Creator: Wise, Daniel R., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2018 Format: Book Access & Availability: Loading
23. Updating data inputs, assessing trends, and evaluating a method to estimate probable high groundwater levels in selected areas of Massachusetts Author/Creator: Barclay, Janet R., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2020 Format: Book Access & Availability: Loading
24. Upgrades to a Fortran program for estimating stream transit losses of reusable water, El Paso and Pueblo counties, Colorado Author/Creator: Colarullo, Susan J., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Book Access & Availability: Loading
25. Upstream factors affecting Tualatin River algae : tracking the 2008 Anabaena algae bloom to Wapato Lake, Oregon Author/Creator: Rounds, Stewart, author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2015 Format: Book Access & Availability: Loading
26. Uranium in surface waters and sediments affected by historical mining in the Denver West 1:100,000 quadrangle, Colorado Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Format: Book Edition: Version 1.0. Access & Availability: Loading
27. Urban-related environmental variables and their relation with patterns in biological community structure in the Fountain Creek basin, Colorado, 2003-2005 Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007 Format: Book Access & Availability: Loading
28. U.S. Geological Survey assessment of reserve growth outside of the United States Author/Creator: Klett, T. R. (Timothy R.), author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2015 Format: Book Access & Availability: Loading
29. U.S. Geological Survey Karst Interest Group proceedings : Carlsbad, New Mexico, April 29 - May 2, 2014 Author/Creator: U.S. Geological Survey Karst Interest Group. Workshop Carlsbad, N.M.) (2014 Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2014 Format: Book Access & Availability: Loading
30. U.S. Geological Survey Karst Interest Group proceedings : Fayetteville, Arkansas : April 26-29, 2011 Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011 Format: Book Access & Availability: Loading
31. U.S. Geological Survey, National Wildlife Health Center, 2011 report of selected wildlife diseases Author/Creator: Green, David, author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2012 Format: Book Access & Availability: Loading
32. U.S. Geological Survey response to Hurricane Maria flooding in Puerto Rico and characterization of peak streamflows observed September 20-22, 2017 Author/Creator: Gómez-Fragoso, Julieta, author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2022 Format: Book Edition: Revised: July 2022 (ver. 1.1). Access & Availability: Loading
33. U.S. Geological Survey Science Strategy for the Wyoming Landscape Conservation Initiative Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2009 Format: Book Access & Availability: Loading
34. Use of a ground-water flow model to delineate contributing areas to the Puchack well field, Pennsauken Township and vicinity, Camden County, New Jersey Author/Creator: Pope, Daryll A. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005 Format: Book Access & Availability: Loading
35. Use of a numerical model to simulate the hydrologic system and transport of contaminants near Joint Base Cape Cod, western Cape Cod, Massachusetts Author/Creator: Walter, Donald A., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Book Access & Availability: Loading
36. Use of a two-dimensional hydrodynamic model to evaluate extreme flooding and transport of dissolved solids through Devils Lake and Stump Lake, North Dakota, 2006 Author/Creator: Nustad, Rochelle A., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2011 Format: Book Access & Availability: Loading
37. Use of acoustic backscatter and vertical velocity to estimate concentration and dynamics of suspended solids in Upper Klamath Lake, South-Central Oregon : implications for Aphanizomenon flos-aquae Author/Creator: Wood, Tamara M., author Publication/Creation: Reston, Va. : U.S. Department of the Interior, U.S. Geological Survey, 2010 Format: Book Access & Availability: Loading
38. Use of an ADCP to compute suspended--sediment discharge in the tidal Hudson River, New York Author/Creator: Wall, Gary R. 1967- (Gary Robert) Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006 Format: Book Access & Availability: Loading
39. Use of boosted regression trees to quantify cumulative instream flow resulting from curtailment of irrigation in the Sprague River Basin, Oregon Author/Creator: Wood, Tamara M., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2020 Format: Book Access & Availability: Loading
40. Use of borehole-radar methods to monitor a steam-enhanced remediation pilot study at a quarry at the former Loring Air Force Base, Maine Author/Creator: Grégoire, Colette Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007 Format: Book Access & Availability: Loading
41. Use of classes based on redox and groundwater age to characterize the susceptibility of principal aquifers to changes in nitrate concentrations, 1991 to 2010 Author/Creator: McMahon, Peter B., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2012 Format: Book Access & Availability: Loading
42. Use of continuous monitors and autosamplers to predict unmeasured water-quality constituents in tributaries of the Tualatin River, Oregon Author/Creator: Anderson, Chauncey W. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2010 Format: Book Access & Availability: Loading
43. The use of continuous water-quality time-series data to compute nutrient loadings for selected Iowa streams, 2008-17 Author/Creator: Garrett, Jessica D., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Book Access & Availability: Loading
44. The use of continuous water-quality time-series data to compute total phosphorus loadings for the Turkey River at Garber, Iowa, 2018-20 Author/Creator: Garrett, Jessica D., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2021 Format: Book Access & Availability: Loading
45. Use of dissolved oxygen monitoring to evaluate phosphorus loading in Connecticut streams, 2015-18 Author/Creator: Izbicki, Brittney, author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2021 Format: Book Access & Availability: Loading
46. Use of diverse geochemical data sets to determine sources and sinks of nitrate and methane in groundwater, Garfield County, Colorado, 2009 Author/Creator: McMahon, Peter B. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011 Format: Book Access & Availability: Loading
47. Use of instantaneous streamflow measurements to improve regression estimates of index flow for the summer month of lowest streamflow in Michigan Author/Creator: Holtschlag, David J. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011 Format: Book Access & Availability: Loading
48. Use of inverse-modeling methods to improve ground-water-model calibration and evaluate model-prediction uncertainty, Camp Edwards, Cape Cod, Massachusetts Author/Creator: Walter, Donald A. Publication/Creation: Reston, Va. : U.S. Geological Survey, 2008 Format: Book Access & Availability: Loading
49. Use of multidimensional modeling to evaluate a channel restoration resign for the Kootenai River, Idaho Author/Creator: Logan, B. L., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2011 Format: Book Access & Availability: Loading
50. Use of numerical models to simulate transport of sewage-derived nitrate in a coastal aquifer, central and western Cape Cod, Massachusetts Author/Creator: Walter, Donald A. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Format: Book Access & Availability: Loading
51. The use of process models to inform and improve statistical models of nitrate occurrence, Great Miami River basin, southwestern Ohio Author/Creator: Walter, Donald A., author Publication/Creation: Reston, Va. : U.S. Department of the Interior, U.S. Geological Survey, 2013 Format: Book Access & Availability: Loading
52. Use of real-time monitoring to predict concentrations of select constituents in the Menomonee River drainage basin, southeast Wisconsin, 2008-9. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2012 Format: Book Access & Availability: Loading
53. Use of real-time sensors to temporally characterize water quality in groundwater and surface water in Mason County, Illinois, 2017-19 Author/Creator: Gruhn, Lance R., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2020 Format: Book Access & Availability: Loading
54. Use of set blanks in reporting pesticide results at the U.S. Geological Survey National Water Quality Laboratory, 2001-15 Author/Creator: Medalie, Laura, author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Book Access & Availability: Loading
55. Use of short-term (5-minute) and long-term (18-hour) leaching tests to characterize, fingerprint, and rank mine-waste material from historical mines in the Deer Creek, Snake River, and Clear Creek watersheds in and around the Montezuma Mining District, Colorado Author/Creator: Hageman, Philip L. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2004 Format: Book Edition: Version 1.0. Access & Availability: Loading
56. Use of stable isotopes of carbon and nitrogen to identify sources of organic matter to bed sediments of the Tualatin River, Oregon Author/Creator: Bonn, Bernadine, author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2010 Format: Book Access & Availability: Loading
57. Use of surrogate technologies to estimate suspended sediment in the Clearwater River, Idaho, and Snake River, Washington, 2008--10 Author/Creator: Wood, Molly S., author Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2013 Format: Book Access & Availability: Loading
58. Use of the Soil and Water Assessment Tool (SWAT) for simulating hydrology and water quality in the Cedar River Basin, Iowa, 2000-10 Author/Creator: Hutchinson, Kasey, author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013 Format: Book Access & Availability: Loading
59. USGS river ecosystem modeling : where are we, how did we get here, and where are we going? : a report from the USGS River Ecosystem Modeling Work Group Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2009 Format: Book Access & Availability: Loading
60. Using acoustic doppler velocity meters to estimate suspended sediment along the lower Minnesota and Mississippi Rivers Author/Creator: Groten, Joel T., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Book Access & Availability: Loading
61. Using host-associated genetic markers to investigate sources of fecal contamination in two Vermont streams Author/Creator: Medalie, Laura, author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2011 Format: Book Access & Availability: Loading
62. Using hydrogeomorphic criteria to classify wetlands on Mt. Desert Island, Maine--approach, classification system, and examples Author/Creator: Nielsen, Martha G. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006 Format: Book Edition: Second edition July 2006. Access & Availability: Loading
63. Using microbial source tracking to identify contamination sources in Port Jefferson Harbor, Setauket Harbor, and Conscience Bay on Long Island, New York Author/Creator: Tagliaferri, Tristen N., author Publication/Creation: Reston, Virginia : U.S. Geological Survey, 2022 Format: Book Access & Availability: Loading
64. Using microbial source tracking to identify fecal contamination sources in an embayment in Hempstead Harbor on Long Island, New York Author/Creator: Tagliaferri, Tristen N., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2021 Format: Book Access & Availability: Loading
65. Using microbial source tracking to identify fecal contamination sources in Great South Bay on Long Island, New York Author/Creator: Tagliaferri, Tristen N., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2022 Format: Book Access & Availability: Loading
66. Using microbial source tracking to identify fecal contamination sources in Lake Montauk on Long Island, New York Author/Creator: Tagliaferri, Tristen N., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2022 Format: Book Access & Availability: Loading
67. Using microbial source tracking to identify fecal contamination sources in Patchogue and Bellport Bays on Long Island, New York Author/Creator: Tagliaferri, Tristen N., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2022 Format: Book Access & Availability: Loading
68. Using microbial source tracking to identify fecal contamination sources in Sag Harbor on Long Island, New York Author/Creator: Tagliaferri, Tristen N., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2022 Format: Book Access & Availability: Loading
69. Using observed postconstruction peak discharges to evaluate a hydrologic and hydraulic design model, Boneyard Creek, Champaign and Urbana, Illinois Author/Creator: Over, Thomas M. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011 Format: Book Access & Availability: Loading
70. Using prediction uncertainty analysis to design hydrologic monitoring networks : example applications from the Great Lakes Water Availability Pilot Project Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2010 Format: Book Access & Availability: Loading
71. Using regional watershed data to assess water-quality impairment in the Pacific drainages of the United States Author/Creator: Wise, Daniel R., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2021 Format: Book Access & Availability: Loading
72. Using remotely sensed data to map Joshua tree distributions at Naval Air Weapons Station China Lake, California, 2018 Author/Creator: Esque, Todd C., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2020 Format: Book Access & Availability: Loading
73. Using selective drainage methods to extract continuous surface flow from 1-meter lidar-derived digital elevation data Author/Creator: Poppenga, S. K., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2010 Format: Book Access & Availability: Loading
74. Using stable isotopes of nitrogen and oxygen to identify sources of nitrate in three creeks, Durham County, North Carolina, 2011-12 Author/Creator: McSwain, Kristen Bukowski, author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2014 Format: Book Access & Availability: Loading
75. Using the precipitation-runoff modeling system to predict seasonal water availability in the Upper Klamath River Basin, Oregon and California Author/Creator: Risley, John C., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2019 Format: Book Access & Availability: Loading
76. Using the Soil and Water Assessment Tool (SWAT) to simulate runoff in Mustang Creek Basin, California Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2009 Format: Book Access & Availability: Loading
77. Using the tracer-dilution discharge method to develop streamflow records for ice-affected streams in Colorado Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005 Format: Book Access & Availability: Loading
78. Using tracers to evaluate streamflow gain-loss characteristics of Terror Creek, in the vicinity of a mine-permit area, Delta County, Colorado, water year 2003 Author/Creator: Williams, Cory A. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005 Format: Book Access & Availability: Loading
79. Utility of microbial source-tracking markers for assessing fecal contamination in the Portage River watershed, northwestern Ohio, 2008 Author/Creator: Kephart, Christopher M. Publication/Creation: Reston, Va. : U.S. Geological Survey, 2010 Format: Book Access & Availability: Loading
80. Utilizing multiple hydrogeologic and anthropogenic indicators to understand zones of groundwater contribution to water-supply wells near Kirtland Air Force Base Bulk Fuels Facility in Southeast Albuquerque, New Mexico Author/Creator: Travis, Rebecca E., 1976- author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2021 Format: Book Access & Availability: Loading