Potential effects of a scenario earthquake on the economy of southern California: Intraregional commuter, worker, and earnings flow analysis
Benson C. Sherrouse, D. J. Hester
2008, Open-File Report 2008-1254
The Multi-Hazards Demonstration Project (MHDP) is a collaboration between the U.S. Geological Survey (USGS) and various partners from the public and private sectors and academia, meant to improve Southern California's resiliency to natural hazards (Jones and others, 2007). In support of the MHDP objectives, the ShakeOut Scenario was developed. It...
Simulation of Ground-Water Flow and Effects of Ground-Water Irrigation on Base Flow in the Elkhorn and Loup River Basins, Nebraska
Steven M. Peterson, Jennifer S. Stanton, Amanda T. Saunders, Jesse R. Bradley
2008, Scientific Investigations Report 2008-5143
Irrigated agriculture is vital to the livelihood of communities in the Elkhorn and Loup River Basins in Nebraska, and ground water is used to irrigate most of the cropland. Concerns about the sustainability of ground-water and surface-water resources have prompted State and regional agencies to evaluate the cumulative effects of...
Base of principal aquifer for the Elkhorn-Loup model area, North-Central Nebraska
V. L. McGuire, Steven M. Peterson
2008, Scientific Investigations Map 3042
In Nebraska, the water managers in the Natural Resources Districts and the Nebraska Department of Natural Resources are concerned with the effect of ground-water withdrawal on the availability of surface water and the long-term effects of ground-water withdrawal on ground- and surface-water resources. In north-central Nebraska, in the Elkhorn and...
Selected Water- and Sediment-Quality, Aquatic Biology, and Mine-Waste Data from the Ely Copper Mine Superfund Site, Vershire, VT, 1998-2007
Denise M. Argue, Richard G. Kiah, Nadine M. Piatak, Robert R. Seal II, Jane M. Hammarstrom, Edward Hathaway, James F. Coles
2008, Data Series 378
The data contained in this report are a compilation of selected water- and sediment-quality, aquatic biology, and mine-waste data collected at the Ely Copper Mine Superfund site in Vershire, VT, from August 1998 through May 2007. The Ely Copper Mine Superfund site is in eastern, central Vermont (fig. 1) within...
Devonian carbonate platform of eastern Nevada: Facies, surfaces, cycles, sequences, reefs, and cataclysmic Alamo Impact Breccia
John E. Warme, Jared R. Morrow, Charles Sandberg
2008, Book chapter, Field Guide to Plutons, Volcanoes, Faults, Reefs, Dinosaurs, and Possible Glaciation in Selected Areas of Arizona, California, and Nevada
Devonian limestone and dolostone formations are superbly exposed in numerous mountain ranges of southeastern Nevada. The Devonian is as thick as 1500 m there and reveals continuous exposures of a classic, long-lived, shallow-water carbonate platform. This field guide provides excursions to Devonian outcrops easily reached from the settlement of Alamo,...
Mercury Deposition Network Site Operator Training for the System Blank and Blind Audit Programs
Gregory A. Wetherbee, Christopher M.B. Lehmann
2008, Open-File Report 2008-1252
The U.S. Geological Survey operates the external quality assurance project for the National Atmospheric Deposition Program/Mercury Deposition Network. The project includes the system blank and blind audit programs for assessment of total mercury concentration data quality for wet-deposition samples. This presentation was prepared to train new site operators and to...
Three-Dimensional Geologic Map of the Hayward Fault Zone, San Francisco Bay Region, California
G. A. Phelps, R. W. Graymer, R.C. Jachens, D. A. Ponce, R.W. Simpson, C. M. Wentworth
2008, Scientific Investigations Map 3045
A three-dimensional (3D) geologic map of the Hayward Fault zone was created by integrating the results from geologic mapping, potential field geophysics, and seismology investigations. The map volume is 100 km long, 20 km wide, and extends to a depth of 12 km below sea level. The map volume is...
U.S.-Mexico Border Geographic Information System
Jean W. Parcher
2008, Fact Sheet 2008-3069
Geographic Information Systems (GIS) and the development of extensive geodatabases have become invaluable tools for addressing a variety of contemporary societal issues and for making predictions about the future. The United States-Mexico Geographic Information System (USMX-GIS) is based on fundamental datasets that are produced and/or approved by the national geography...
StreamStats: A water resources web application
Kernell G. Ries III, John D. Guthrie, Alan H. Rea, Peter A. Steeves, David W. Stewart
2008, Fact Sheet 2008-3067
Streamflow statistics, such as the 1-percent flood, the mean flow, and the 7-day 10-year low flow, are used by engineers, land managers, biologists, and many others to help guide decisions in their everyday work. For example, estimates of the 1-percent flood (the flow that is exceeded, on average, once in...
The Geologic Time Spiral - A Path to the Past
Joseph Graham, William Newman, John Stacy
2008, General Information Product 58
The Earth is very old - 4.5 billion years or more according to scientific estimates. Most of the evidence for an ancient Earth is contained in the rocks that form the Earth's crust. The rock layers themselves - like pages in a long and complicated history - record the events...
Debris flows and floods in southeastern Arizona from extreme precipitation in July 2006 — Magnitude, frequency, and sediment delivery
Robert H. Webb, Christopher S. Magirl, Peter G. Griffiths, Diane E. Boyer
2008, Open-File Report 2008-1274
From July 31 to August 1, 2006, an unusual set of atmospheric conditions aligned to produce record floods and an unprecedented number of slope failures and debris flows in southeastern Arizona. During the week leading up to the event, an upper-level low-pressure system centered over New Mexico generated widespread and...
Assessment of Moderate- and High-Temperature Geothermal Resources of the United States
Colin F. Williams, Marshall J. Reed, Robert H. Mariner, Jacob DeAngelo, S. Peter Galanis
2008, Fact Sheet 2008-3082
Scientists with the U.S. Geological Survey (USGS) recently completed an assessment of our Nation's geothermal resources. Geothermal power plants are currently operating in six states: Alaska, California, Hawaii, Idaho, Nevada, and Utah. The assessment indicates that the electric power generation potential from identified geothermal systems is 9,057 Megawatts-electric (MWe), distributed...
Gravity Data from Dry Lake and Delamar Valleys, east-central Nevada
Edward A. Mankinen, Bruce A. Chuchel, Barry C. Moring
2008, Open-File Report 2008-1299
Cenozoic basins in eastern Nevada and western Utah constitute major ground-water recharge areas in the eastern part of the Great Basin, and our continuing studies are intended to characterize the geologic framework of the region. Prior to these investigations, regional gravity coverage was variable over the region, adequate in some...
Stratigraphic framework of Cambrian and Ordovician rocks in the Appalachian Basin from Sequatchie County, Tennessee through eastern Kentucky, to Mingo County, West Virginia
Robert T. Ryder, Robert D. Crangle Jr., John E. Repetski, Anita G. Harris
2008, Scientific Investigations Map 2994
Cross section H-H' is the seventh in a series of restored cross sections constructed by the lead author to show the stratigraphic framework of Cambrian and Ordovician rocks in the Appalachian basin from Pennsylvania to Tennessee. The sections show complexly intertongued carbonate and siliciclastic lithofacies, marked thickness variations, key marker...
Historical Orthoimagery of the Lake Tahoe Basin
Christopher E. Soulard, Christian G. Raumann
2008, Data Series 376
The U.S. Geological Survey (USGS) Western Geographic Science Center has developed a series of historical digital orthoimagery (HDO) datasets covering part or all of the Lake Tahoe Basin. Three datasets are available: (A) 1940 HDOs for the southern Lake Tahoe Basin, (B) 1969 HDOs for the entire Lake Tahoe Basin,...
Procedures for Collecting and Processing Aquatic Invertebrates and Fish for Analysis of Mercury as Part of the National Water-Quality Assessment Program
Barbara C. Scudder, Lia C. Chasar, L. Rod DeWeese, Mark E. Brigham, Dennis A. Wentz, William G. Brumbaugh
2008, Open-File Report 2008-1208
Mercury studies conducted as part of the U.S. Geological Survey's National Water-Quality Assessment (NAWQA) Program have included nationwide reconnaissance samplings of hundreds of stream sites, as well as detailed, process-oriented research at selected sites. These reconnaissance and detailed studies are intended to provide a better understanding of methylmercury bioaccumulation in...
The Role of Eolian Sediment in the Preservation of Archeologic Sites Along the Colorado River Corridor in Grand Canyon National Park, Arizona
Amy E. Draut, David M. Rubin
2008, Professional Paper 1756
Since the closure of Glen Canyon Dam in 1963, the natural hydrologic and sedimentary systems along the Colorado River in the Grand Canyon reach have changed substantially (see, for example, Andrews, 1986; Johnson and Carothers, 1987; Webb and others, 1999b; Rubin and others, 2002; Topping and others, 2003; Wright and...
Major- and trace-element concentrations in soils from northern California: Results from the Geochemical Landscapes Project pilot study
Jean M. Morrison, Martin B. Goldhaber, JoAnn M. Holloway, David B. Smith
2008, Open-File Report 2008-1306
In 2004, the U.S. Geological Survey (USGS), the Geological Survey of Canada (GSC), and the Mexican Geological Survey (Servicio Geologico Mexicano, or SGM) initiated pilot studies in preparation for a soil geochemical survey of North America called the Geochemical Landscapes Project. The purpose of this project is to provide...
Southwestern Willow Flycatcher Breeding Site and Territory Summary - 2007
Scott L. Durst, Mark K. Sogge, Shay D. Stump, Hira A. Walker, Barbara E. Kus, Susan J. Sferra
2008, Open-File Report 2008-1303
The Southwestern willow flycatcher (Empidonax traillii extimus; hereafter references to willow flycatcher and flycatcher refer to E.t. extimus, except where specifically noted) is an endangered bird that breeds only in dense riparian habitats in parts of six Southwestern states (Arizona, New Mexico, southern California, extreme southern Nevada, southern Utah, and...
Mormon cricket control in Utah's west desert - Evaluation of impacts of the pesticide Diflubenzuron on nontarget arthropod communities
Tim B. Graham, Anne M.D. Brasher, Rebecca N. Close
2008, Open-File Report 2008-1305
Grasshopper and Mormon cricket (Orthoptera) populations periodically build to extremely high numbers and can cause significant economic damage in rangelands and agricultural fields of the Great Plains and Intermountain West. A variety of insecticides have been applied to control population outbreaks, with recent efforts directed at minimizing impacts to nontarget...
Relational database for the geology of the northern Rocky Mountains— Idaho, Montana, and Washington
J. Douglas Causey, Michael L. Zientek, Arthur A. Bookstrom, Thomas P. Frost, Karl V. Evans, Anna B. Wilson, Bradley S. Van Gosen, David E. Boleneus, Rebecca A. Pitts
2008, Data Series 371
A relational database was created to prepare and organize geologic map-unit and lithologic descriptions for input into a spatial database for the geology of the northern Rocky Mountains, a compilation of forty-three geologic maps for parts of Idaho, Montana, and Washington in U.S. Geological Survey Open File Report 2005-1235. Not...
A Bernoulli Formulation of the Land-Use Portfolio Model
Richard A. Champion
2008, Open-File Report 2008-1310
Decision making for natural-hazards mitigation can be sketched as knowledge available in advance (a priori), knowledge available later (a posteriori), and how consequences of the mitigation decision might be viewed once future outcomes are known. Two outcomes - mitigating for a hazard event that will occur, and not mitigating for...
Audiomagnetotelluric data and preliminary two-dimensional models from Spring, Dry Lake, and Delamar Valleys, Nevada
Darcy McPhee, Bruce A. Chuchel, Louise Pellerin
2008, Open-File Report 2008-1301
This report presents audiomagnetotelluric (AMT) data along fourteen profiles in Spring, Delamar, and Dry Lake Valleys, and the corresponding preliminary two-dimensional (2-D) inverse models. The AMT method is a valuable tool for estimating the electrical resistivity of the Earth over depth ranges from a few meters to less than one...
Pesticides in Ground Water of Central and Western Maryland
Scott W. Ator, Betzaida Reyes
2008, Fact Sheet 2008-3068
Selected pesticides and degradates (products of pesticide degradation) are detectable in ground water in many parts of central and western Maryland, although concentrations are generally less than 0.1 micrograms per liter. Ground-water samples collected recently (1994-2003) from 72 wells in areas of Maryland underlain by consolidated carbonate, crystalline, or siliciclastic...
Applying the land use portfolio model to estimate natural-hazard loss and risk — A hypothetical demonstration for Ventura County, California
Laura B. Dinitz
2008, Open-File Report 2008-1309
With costs of natural disasters skyrocketing and populations increasingly settling in areas vulnerable to natural hazards, society is challenged to better allocate its limited risk-reduction resources. In 2000, Congress passed the Disaster Mitigation Act, amending the Robert T. Stafford Disaster Relief and Emergency Assistance Act (Robert T. Stafford Disaster Relief...
