Hydrocarbon Source Rocks in the Deep River and Dan River Triassic Basins, North Carolina
Jeffrey C. Reid, Robert C. Milici
2008, Open-File Report 2008-1108
This report presents an interpretation of the hydrocarbon source rock potential of the Triassic sedimentary rocks of the Deep River and Dan River basins, North Carolina, based on previously unpublished organic geochemistry data. The organic geochemical data, 87 samples from 28 drill holes, are from the Sanford sub-basin (Cumnock Formation)...
Reconnaissance study of water quality in the mining-affected Aries River Basin, Romania
Michael J. Friedel, James A. Tindall, Daniel Sardan, David L. Fey, G.L. Poputa
2008, Open-File Report 2008-1176
The Aries River basin of western Romania has been subject to mining activities as far back as Roman times. Present mining activities are associated with the extraction and processing of various metals including Au, Cu, Pb, and Zn. To understand the effects of these mining activities on the environment, this...
Analytical Results for Municipal Biosolids Samples from a Monitoring Program Near Deer Trail, Colorado (USA), 1999 through 2006
J.G. Crock, D. B. Smith, T. J. B. Yager, Z. A. Brown, M. G. Adams
2008, Open-File Report 2008-1172
Since late 1993, Metro Wastewater Reclamation District of Denver (Metro District), a large wastewater treatment plant in Denver, Colorado, has applied Grade I, Class B biosolids to about 52,000 acres of non-irrigated farmland and rangeland near Deer Trail, Colorado. In cooperation with the Metro District in 1993, the U.S. Geological...
Inventory and review of existing PRISM hydrogeologic data for the Islamic Republic of Mauritania, Africa
Michael J. Friedel
2008, Open-File Report 2008-1138
The USGS entered into an agreement with the Mauritania Ministry of Mines and Industry to inventory and review the quality of information collected as part of the Project for Strengthening of the Institutions in the Mining Sector (PRISM). Whereas the PRISM program collected geophysical, geochemical, geological, satellite, and hydrogeologic information,...
Environmental stratification framework and water-quality monitoring design strategy for the Islamic Republic of Mauritania, Africa
Michael J. Friedel
2008, Open-File Report 2008-1137
Mauritania anticipates an increase in mining activities throughout the country and into the foreseeable future. Because mining-induced changes in the landscape are likely to affect their limited ground-water resources and sensitive aquatic ecosystems, a water-quality assessment program was designed for Mauritania that is based on a nationally consistent environmental stratification...
Hydrogeology of the Islamic Republic of Mauritania
Michael J. Friedel, Carol A. Finn
2008, Open-File Report 2008-1136
Hydrogeologic maps were constructed for the Islamic Republic of Mauritania. The ground-water flow system in the country can best be described as two interconnected regional systems: the porous Continental Terminal coastal system and the interior, fractured sedimentary Taoudeni Basin system. In these systems, ground-water flow occurs in fill deposits and...
Methods of Data Collection, Sample Processing, and Data Analysis for Edge-of-Field, Streamgaging, Subsurface-Tile, and Meteorological Stations at Discovery Farms and Pioneer Farm in Wisconsin, 2001-7
Todd D. Stuntebeck, Matthew J. Komiskey, David W. Owens, David W. Hall
2008, Open-File Report 2008-1015
The University of Wisconsin (UW)-Madison Discovery Farms (Discovery Farms) and UW-Platteville Pioneer Farm (Pioneer Farm) programs were created in 2000 to help Wisconsin farmers meet environmental and economic challenges. As a partner with each program, and in cooperation with the Wisconsin Department of Natural Resources and the Sand County Foundation,...
The ShakeOut Scenario
Lucile M. Jones, Richard Bernknopf, Dale Cox, James Goltz, Kenneth Hudnut, Dennis Mileti, Suzanne Perry, Daniel Ponti, Keith Porter, Michael Reichle, Hope Seligson, Kimberley Shoaf, Jerry Treiman, Anne Wein
2008, Open-File Report 2008-1150
This is the initial publication of the results of a cooperative project to examine the implications of a major earthquake in southern California. The study comprised eight counties: Imperial, Kern, Los Angeles, Orange, Riverside, San Bernardino, San Diego, and Ventura. Its results will be used as the basis of an...
Ground-water levels in Huron County, Michigan, 2002-03
T. L. Weaver, S. P. Blumer, S. L. Crowley
2008, Open-File Report 2005-1082-A
In 1990, the U.S. Geological Survey (USGS) completed a study of the hydrogeology of Huron County, Michigan (Sweat, 1991). In 1993, Huron County and the USGS entered into a continuing agreement to collect water-level altitudes (hereafter referred to as water levels) at selected wells throughout Huron County. As part...
Flow-log analysis for hydraulic characterization of selected test wells at the Indian Point Energy Center, Buchanan, New York
John H. Williams
2008, Open-File Report 2008-1123
Flow logs from 24 test wells were analyzed as part of the hydraulic characterization of the metamorphosed and fractured carbonate bedrock at the Indian Point Energy Center in Buchanan, New York. The flow logs were analyzed along with caliper, optical- and acoustic-televiewer, and fluid-resistivity and temperature logs to determine the...
The Face of Alaska: A Look at Land Cover and the Potential Drivers of Change
Benjamin M. Jones
2008, Open-File Report 2008-1161
The purpose of this report is to provide statewide baseline information on the status and potential drivers of land-cover change in Alaska. The information gathered for this report is based on a review and analysis of published literature and consists of prominent factors contributing to the current state of the...
Leachate Geochemical Results for Ash and Burned Soil Samples from the October 2007 Southern California Wildfires
Philip L. Hageman, Geoffrey S. Plumlee, Deborah A. Martin, Todd M. Hoefen, Gregory P. Meeker, Monique Adams, Paul J. Lamothe, Michael W. Anthony
2008, Open-File Report 2008-1139
This report is the second release of leachate geochemical data included as part of a multidisciplinary study of ash and burned soil samples from the October 2007 wildfires in southern California. Geochemical data for the first set of samples were released in an Open-File Report (Plumlee and others, 2007). This...
Probabilistic Methodology for Estimation of Number and Economic Loss (Cost) of Future Landslides in the San Francisco Bay Region, California
Robert A. Crovelli, Jeffrey A. Coe
2008, Open-File Report 2008-1116
The Probabilistic Landslide Assessment Cost Estimation System (PLACES) presented in this report estimates the number and economic loss (cost) of landslides during a specified future time in individual areas, and then calculates the sum of those estimates. The analytic probabilistic methodology is based upon conditional probability theory and laws of...
Where's the Hayward Fault? A green guide to the fault
Philip W. Stoffer
2008, Open-File Report 2008-1135
This report describes self-guided field trips to one of North America's most dangerous earthquake faults: the Hayward Fault. Locations were chosen because of their easy access using mass transit and/or their significance relating to the natural and cultural history of the East Bay landscape. This field-trip guidebook was compiled to...
Using Molecular Genetic Markers to Resolve a Subspecies Boundary: The Northern Boundary of the Southwestern Willow Flycatcher in the Four-Corner States
Eben H. Paxton, Mark K. Sogge, Tad C. Theimer, Jessica Girard, Paul Keim
2008, Open-File Report 2008-1117
*Executive Summary* The northern boundary of the endangered Southwestern Willow Flycatcher (Empidonax traillii extimus) is currently approximated as running through southern Colorado and Utah, but the exact placement is uncertain because this subspecies shares a border with the more northern and non-endangered E. t. adastus. To help resolve this issue, we...
Bathymetric Survey and Storage Capacity of Upper Lake Mary near Flagstaff, Arizona
Nancy J. Hornewer, Marilyn E. Flynn
2008, Open-File Report 2008-1098
Upper Lake Mary is a preferred drinking-water source for the City of Flagstaff, Arizona. Therefore, storage capacity and sedimentation issues in Upper Lake Mary are of interest to the City. The U.S. Geological Survey, in cooperation with the City of Flagstaff, collected bathymetric and land-survey data in Upper Lake Mary...
Documentation of data collection in Currituck Sound, North Carolina and Virginia, 2006-2007
Jason M. Fine
2008, Open-File Report 2008-1147
During 2006 and 2007, scientists from Elizabeth City State University, North Carolina Estuarine Research Reserve, the U.S. Fish and Wildlife Service, and the U.S. Geological Survey collected hydrologic and water-quality data at nine sites in and around Currituck Sound. Hydrologic and water-quality data were collected at five tributary sites--the Northwest...
Catalog of Mount St. Helens 2004-2007 dome samples with major- and trace-element chemistry
Carl R. Thornber, John S. Pallister, Michael C. Rowe, Siobhan McConnell, Trystan M. Herriott, Alison Eckberg, Winston C. Stokes, Diane Johnson Cornelius, Richard M. Conrey, Tammy Hannah, Joseph E. Taggart Jr., Monique Adams, Paul J. Lamothe, James R. Budahn, Charles M. Knaack
2008, Open-File Report 2008-1130
Sampling and analysis of eruptive products at Mount St. Helens is an integral part of volcano monitoring efforts conducted by the U.S. Geological Survey?s Cascades Volcano Observatory (CVO). The objective of our eruption sampling program is to enable petrological assessments of pre-eruptive magmatic conditions, critical for ascertaining mechanisms for eruption...
Rainfall-Runoff and Erosion Data from the Mancos Shale Formation in the Gunnison Gorge National Conservation Area, Southwestern Colorado, 2003-2006
John G. Elliott, James R. Herring, George P. Ingersoll, John J. Kosovich, Juli Fahy
2008, Open-File Report 2007-1002-G
Data were collected and experiments were conducted from 2003 to 2006 by the U.S. Geological Survey, in cooperation with the Bureau of Land Management, to support research into understanding processes that liberate, disperse, and concentrate erosion byproducts in Mancos Shale landscapes. The study area was the Gunnison Gorge National Conservation...
Microbial and Nutrient Concentration and Load Data During Stormwater Runoff at a Swine Concentrated Animal Feeding Operation in the North Carolina Coastal Plain, 2006-2007
Stephen L. Harden
2008, Open-File Report 2008-1156
This report summarizes water-quality and hydrologic data collected during 2006-2007 to characterize bacteria and nutrient loads associated with overland runoff and subsurface tile drainage in spray fields at a swine concentrated animal feeding operation. Four monitoring locations were established at the Lizzie Research Site in the North Carolina Coastal Plain...
Preliminary integrated geologic map databases for the United States. Digital data for the geology of the southern Brooks Range, Alaska
2008, Open-File Report 2008-1149
The growth in the use of Geographic Information Systems (GIS) has highlighted the need for digital geologic maps that have been attributed with information about age and lithology. Such maps can be conveniently used to generate derivative maps for manifold special purposes such as mineral-resource assessment, metallogenic studies, tectonic studies,...
Helicopter Electromagnetic and Magnetic Geophysical Survey Data, Oakland, Ashland, and Firth Study Areas, Eastern Nebraska, March 2007
Bruce D. Smith, Jared D. Abraham, James C. Cannia, Gregory V. Steele, Patricia L. Hill
2008, Open-File Report 2008-1018
This report is a digital data release for a helicopter electromagnetic and magnetic survey that was conducted during March 2007 in three 93-square-kilometer (36-square-mile) areas of eastern Nebraska as part of a joint State of Nebraska and U.S. Geological Survey study. The objective of the survey is to improve the...
Catalog of Mount St. Helens 2004 - 2005 tephra samples with major- and trace-element geochemistry
Michael C. Rowe, Carl R. Thornber, Daniel J. Gooding, John S. Pallister
2008, Open-File Report 2008-1131
This open-file report presents a catalog of information about 135 ash samples along with geochemical analyses of bulk ash, glass and individual mineral grains from tephra deposited as a result of volcanic activity at Mount St. Helens, Washington, from October 1, 2004 until August 15, 2005. This data, in conjunction...
USGS Workshop on Scientific Aspects of a Long-Term Experimental Plan for Glen Canyon Dam, April 10-11, 2007, Flagstaff, Arizona
USGS Grand Canyon Monitoring and Research Center
2008, Open-File Report 2008-1153
Executive Summary Glen Canyon Dam is located in the lower reaches of Glen Canyon National Recreation Area on the Colorado River, approximately 15 miles upriver from Grand Canyon National Park (fig. 1). In 1992, Congress passed and the President signed into law the Grand Canyon Protection Act (GCPA; title XVIII, sec....
Preliminary Map of Potentially Karstic Carbonate Rocks in the Central and Southern Appalachian States
David J. Weary
2008, Open-File Report 2008-1154
Karst is a landscape produced by dissolution of rocks and the development of integrated subterranean drainages dominated by the flow of ground water in solutionally enlarged conduits. Karst landscapes typically include cave entrances, sinkholes, blind valleys, losing streams, springs, and large and small-scale solution features on bedrock surfaces. Water-bearing rocks...