Mineralogy from Cores in Prospect Gulch, San Juan County, Colorado
Dana J. Bove, Raymond H. Johnson, Douglas B. Yager
2007, Open-File Report 2007-1095
In the late nineteenth century, San Juan County, Colorado, was the center of a metal mining boom in the San Juan Mountains. Although most mining activity ceased by the 1990s, the effects of historical mining continue to contribute metals to ground water and surface water. Previous research by the U.S....
Major Crustal Fault Zone Trends and Their Relation to Mineral Belts in the North-Central Great Basin, Nevada
Brian D. Rodriguez, Jay A. Sampson, Jackie M. Williams
2007, Open-File Report 2007-1115
The Great Basin physiographic province covers a large part of the western United States and contains one of the world's leading gold-producing areas, the Carlin Trend. In the Great Basin, many sedimentary-rock-hosted disseminated gold deposits occur along such linear mineral-occurrence trends. The distribution and genesis of these deposits is not...
Flood of April 2-3, 2005, Esopus Creek Basin, New York
Thomas P. Suro, Gary D. Firda
2007, Open-File Report 2007-1036
On April 2-3, 2005, heavy rain moved into southern New York and delivered rainfall amounts that ranged from about 2 in. to almost 6 in. within a 36-hour period. Significant flooding occurred on many small streams and tributaries in the area, and extensive flooding occurred on the Esopus and Roundout...
Coastal Prairie Restoration Information System: Version 1 (Louisiana)
Larry Allain
2007, Data Series 256
The Coastal Prairie Restoration Information System (CPR) is a Microsoft Access database that allows users to query and view data about Louisiana coastal prairie species. Less than 0.1% of Louisiana's coastal prairie vegetation remains in a relatively undisturbed condition. Encompassing as much as 1 million hectares of land, coastal prairie...
Sulfur dioxide emission rates from Kīlauea Volcano, Hawai‘i, an update: 2002-2006
Tamar Elias, A. J. Sutton
2007, Open-File Report 2007-1114
Introduction Sulfur dioxide (SO2) emission rates from Kilauea Volcano were first measured by Stoiber and Malone (1975) and have been measured on a regular basis since 1979 (Greenland and others, 1985; Casadevall and others, 1987; Elias and others, 1998; Sutton and others, 2001, Elias and Sutton, 2002, Sutton and others,...
Summary and trend analysis of water-quality data for the Oakes Test Area, southeastern North Dakota, 1984-2004
Karen R. Ryberg
2007, Scientific Investigations Report 2007-5056
The Oakes Test Area is operated and maintained by the Garrison Diversion Conservancy District, under a cooperative agreement with the Bureau of Reclamation, to evaluate the effectiveness and environmental consequences of irrigation. As part of the evaluation, the Bureau of Reclamation collected water-quality samples from seven sites on the James...
Ground-Water Flow Model for the Spokane Valley-Rathdrum Prairie Aquifer, Spokane County, Washington, and Bonner and Kootenai Counties, Idaho
Paul A. Hsieh, Michael E. Barber, Bryce A. Contor, Akram Hossain, Gary S. Johnson, Joseph L. Jones, Allan H. Wylie
2007, Scientific Investigations Report 2007-5044
This report presents a computer model of ground-water flow in the Spokane Valley-Rathdrum Prairie (SVRP) aquifer in Spokane County, Washington, and Bonner and Kootenai Counties, Idaho. The aquifer is the sole source of drinking water for more than 500,000 residents in the area. In response to the concerns about the...
Hydrogeologic Framework and Ground-Water Budget of the Spokane Valley-Rathdrum Prairie Aquifer, Spokane County, Washington, and Bonner and Kootenai Counties, Idaho
Sue C. Kahle, James R. Bartolino
2007, Scientific Investigations Report 2007-5041
The U.S. Geological Survey, in cooperation with the Idaho Department of Water Resources and Washington State Department of Ecology, investigated the hydrogeologic framework and ground-water budget of the Spokane Valley-Rathdrum Prairie (SVRP) aquifer located in northern Idaho and northeastern Washington. Descriptions of the hydrogeologic framework, water-budget components, and further data...
International Polar Year (IPY), 2007-2008
Water Resources Division, U.S. Geological Survey
2007, General Information Product 50
The International Polar Year is an intense scientific campaign to explore new frontiers in polar science, improve our understanding of the critical role of the polar regions in global processes, engage the public in polar discovery, and help attract the next generation of earth scientists. Participation in the IPY allows the...
Effect of Drought on Streamflow and Stream-Water Quality in Colorado, July through September 2002
Daniel T. Chafin, A. Douglas Druliner
2007, Scientific Investigations Report 2006-5322
During 2002, Colorado experienced the State's worst drought since 1977. In 2003, the U.S. Geological Survey entered into cooperative agreement with the Colorado Department of Public Health and Environment to evaluate the general effects of drought on the water quality of streams in Colorado during summer 2002 by analyzing a...
U.S. Geological Survey Scientific Activities in the Exploration of Antarctica: Introduction to Antarctica (Including USGS Field Personnel: 1946-59)
Tony K. Meunier
Richard S. Williams Jr., Jane G. Ferrigno, editor(s)
2007, Open-File Report 2006-1117
INTRODUCTION Antarctica is the planet's fifth largest continent [13.2 million km2 (5.1 million mi2)]; it contains the Earth's largest (of two) remaining ice sheets; it is considered to be one of the most important scientific laboratories on Earth. This report is the introduction to a series that covers 60 years of U.S....
Aquatic Communities and Selected Water Chemistry in St. Vrain Creek near the City of Longmont, Colorado, Wastewater-Treatment Plant, 2005 and 2006
Robert E. Zuellig, Lori A. Sprague, Jim A. Collins, Oliver N. Cox
2007, Data Series 253
In 2005, the U.S. Geological Survey and the City of Longmont, Colo., began a study to document chemical characteristics of St. Vrain Creek that had previously been unavailable either due to high cost of analysis or lack of analytical capability. Stream samples were collected at seven sites on St. Vrain...
Nitrogen species in soil, sediment, and ground water at a former sewage-treatment wastewater lagoon: Naval Air Station Whidbey Island, Island County, Washington
S.E. Cox, R.S. Dinicola, R.L. Huffman
2007, Scientific Investigations Report 2007-5075
The potential for contamination of ground water from remnant sewage sludge in re-graded sediments of a deconstructed sewage-treatment lagoon was evaluated. Ground-water levels were measured in temporary drive-point wells, and ground-water samples were collected and analyzed for nutrients and other water-quality characteristics. Composite soil and sediment samples were collected...
Data for a regional approach to the development of an effects-based nutrient criterion for wadable streams
J. Kent Crawford, Connie A. Loper, Joseph R. Beaman, Anna G. Soehl, Will S. Brown
2007, Data Series 257
States are required by the U.S. Environmental Protection Agency to establish nutrient criteria (concentrations of nutrients above which water quality is deteriorated) as part of their water-quality regulations. A study of wadable streams in the Mid-Atlantic Region was undertaken by the U.S. Geological Survey, the U.S. Environmental Protection Agency, and...
Map and Database of Probable and Possible Quaternary Faults in Afghanistan
C.A. Ruleman, A. J. Crone, M. N. Machette, K. M. Haller, K.S. Rukstales
2007, Open-File Report 2007-1103
The U.S. Geological Survey (USGS) with support from the U.S. Agency for International Development (USAID) mission in Afghanistan, has prepared a digital map showing the distribution of probable and suspected Quaternary faults in Afghanistan. This map is a key component of a broader effort to assess and map the country's...
A multiple-tracer approach for identifying sewage sources to an urban stream system
Kenneth Edward Hyer
2007, Scientific Investigations Report 2006-5317
The presence of human-derived fecal coliform bacteria (sewage) in streams and rivers is recognized as a human health hazard. The source of these human-derived bacteria, however, is often difficult to identify and eliminate, because sewage can be delivered to streams through a variety of mechanisms, such as leaking sanitary sewers...
Major- and Trace-Element Concentrations in Rock Samples from the Sleetmute 1:250,000-Scale Quadrangle, Alaska
Edward P. Klimasauskas, Marti L. Miller, William J. Keith
2007, Open-File Report 2007-1126
This report consists of geochemical data for rock samples collected in the Sleetmute 1:250,000-scale quadrangle by the U.S. Geological Survey between 1993 and 1999. Data were primarily used to conduct a mineral resource assessment of this quadrangle. The analytical results are presented here as digital tabular data with no interpretation....
Debris flows and record floods from extreme mesoscale convective thunderstorms over the Santa Catalina Mountains, Arizona
Christopher S. Magirl, Craig Shoemaker, Robert H. Webb, Mike Schaffner, Peter G. Griffiths, Erik Pytlak
2007, Open-File Report 2007-1108
Ample geologic evidence indicates early Holocene and Pleistocene debris flows from the south side of the Santa Catalina Mountains north of Tucson, Arizona, but few records document historical events. On July 31, 2006, an unusual set of atmospheric conditions aligned to produce record floods and an unprecedented number of debris...
Rock-Bound Arsenic Influences Ground Water and Sediment Chemistry Throughout New England
Gilpin R. Robinson Jr., Joseph D. Ayotte
2007, Open-File Report 2007-1119
The information in this report was presented at the Northeastern Region Geological Society of America meeting held March 11-14, 2007, in Durham, New Hampshire. In the New England crystalline bedrock aquifer, concentrations of arsenic that exceed the drinking water standard of 10 ?g/L occur most frequently in ground water from wells...
Use of borehole-radar methods to monitor a steam-enhanced remediation pilot study at a quarry at the former Loring Air Force Base, Maine
Colette Gregoire, Peter K. Joesten, John W. Lane Jr.
2007, Scientific Investigations Report 2006-5191
Single-hole radar reflection and crosshole radar tomography surveys were used in conjunction with conventional borehole-geophysical methods to evaluate the effectiveness of borehole-radar methods for monitoring the movement of steam and heat through fractured bedrock. The U.S. Geological Survey, in cooperation with U.S. Environmental Protection Agency (USEPA), conducted surveys in an...
Geochemical data for stream-sediment, surface-water, rock, and vegetation samples from Red Mountain (Dry Creek), an unmined volcanogenic massive sulfide deposit in the Bonnifield District, Alaska Range, east-central Alaska
Stuart A. Giles, Robert G. Eppinger, Matthew Granitto, Philip P. Zelenak, Monique G. Adams, Michael W. Anthony, Paul H. Briggs, Larry P. Gough, Philip L. Hageman, Jane M. Hammarstrom, John D. Horton, Stephan J. Sutley, Peter M. Theodorakos, Ruth E. Wolf
2007, Data Series 204
North-central and northeast Nevada contains numerous large plutons and smaller stocks but also contains many small, shallowly emplaced intrusive bodies, including dikes, sills, and intrusive lava dome complexes. Decades of geologic investigations in the study area demonstrate that many ore deposits, representing diverse ore deposit types, are spatially, and probably...
Database Dictionary for Ethiopian National Ground-Water DAtabase (ENGDA) Data Fields
Eve L. Kuniansky, David W. Litke, Patrick Tucci
2007, Open-File Report 2007-1099
Introduction This document describes the data fields that are used for both field forms and the Ethiopian National Ground-water Database (ENGDA) tables associated with information stored about production wells, springs, test holes, test wells, and water level or water-quality observation wells. Several different words are used in this database dictionary and...
Application of FTLOADDS to Simulate Flow, Salinity, and Surface-Water Stage in the Southern Everglades, Florida
John D. Wang, Eric D. Swain, Melinda A. Wolfert, Christian D. Langevin, Dawn E. James, Pamela A. Telis
2007, Scientific Investigations Report 2007-5010
The Comprehensive Everglades Restoration Plan requires numerical modeling to achieve a sufficient understanding of coastal freshwater flows, nutrient sources, and the evaluation of management alternatives to restore the ecosystem of southern Florida. Numerical models include a regional water-management model to represent restoration changes to the hydrology of southern Florida and...
Near-Surface Structure and Velocities of the Northeastern Santa Cruz Mountains and the Western Santa Clara Valley, California, From Seismic Imaging
R. D. Catchings, G. Gandhok, M. R. Goldman, Clare Steedman
2007, Open-File Report 2007-1039
Introduction The Santa Clara Valley (SCV) is located in the southern San Francisco Bay area of California and is bounded by the Santa Cruz Mountains to the southwest, the Diablo Ranges to the northeast, and the San Francisco Bay to the north (Fig. 1). The SCV, which includes the City of...
Stratigraphy, paleomagnetism, and anisotropy of magnetic susceptibility of the Miocene Stanislaus Group, central Sierra Nevada and Sweetwater Mountains, California and Nevada
Nathan M. King, John W. Hillhouse, Sherman Gromme, Brian P. Hausback, Christopher J. Pluhar
2007, Geosphere (3) 646-666
Paleomagnetism and anisotropy of magnetic susceptibility (AMS) reveal pyroclastic flow patterns, stratigraphic correlations, and tectonic rotations in the Miocene Stanislaus Group, an extensive volcanic sequence in the central Sierra Nevada, California, and in the Walker Lane of California and Nevada. The Stanislaus Group...
