High-resolution chirp seismic reflection data acquired from the Cap de Creus shelf and canyon area, Gulf of Lions, Spain in 2004
Eric E. Grossman, Patrick E. Hart, Michael E. Field, Peter Triezenberg
2006, Open-File Report 2006-1247
Seismic reflection data were collected from the Cap de Creus shelf and canyon in the southwest portion of the Gulf of Lions in October 2004. The data were acquired using the U.S. Geological Survey`s (USGS) high-resolution Edgetech CHIRP 512i seismic reflection system aboard the R/V Oceanus. Data from the shipboard...
Characterization of near-surface geology and possible voids using resistivity and electromagnetic methods at the Gran Quivira Unit of Salinas Pueblo Missions National Monument, central New Mexico, June 2005
Lyndsay B. Ball, Jeffrey E. Lucius, Lewis A. Land, Andrew Teeple
2006, Scientific Investigations Report 2006-5176
At the Gran Quivira Unit of Salinas Pueblo Missions National Monument in central New Mexico, a partially excavated pueblo known as Mound 7 has recently become architecturally unstable. Historical National Park Service records indicate both natural caves and artificial tunnels may be present in the area. Knowledge of the local...
Geologic map of the Peach Springs 30' x 60' quadrangle, Mohave and Coconino counties, northwestern Arizona
George H. Billingsley, Debra L. Block, Helen C. Dyer
2006, Scientific Investigations Map 2900
This map is a product of a cooperative project of the U.S. Geological Survey, the U.S. National Park Service, and the Bureau of Land Management to provide geologic map coverage and regional geologic information for visitor services and resource management of Grand Canyon National Park, Lake Mead National Recreation Area,...
Inversion of Gravity Data to Define the Pre-Cenozoic Surface and Regional Structures Possibly Influencing Groundwater Flow in the Rainier Mesa Region, Nye County, Nevada
Thomas G. Hildenbrand, Geoffrey A. Phelps, Edward A. Mankinen
2006, Open-File Report 2006-1299
A three-dimensional inversion of gravity data from the Rainier Mesa area and surrounding regions reveals a topographically complex pre-Cenozoic basement surface. This model of the depth to pre-Cenozoic basement rocks is intended for use in a 3D hydrogeologic model being constructed for the Rainier Mesa area. Prior to this study,...
Ground-Water Levels in the Ozark Aquifer along the Viburnum Trend, Southeastern Missouri, 2001-05
Michael J. Kleeschulte
2006, Scientific Investigations Report 2006-5220
During 2001, eight monitoring wells were installed along the Viburnum Trend to determine if dewatering of lead-zinc mines in the St. Francois aquifer affected water levels in the surficial Ozark aquifer. The well locations were chosen specifically to investigate the effects of different mining scenarios. Before data collection, much of...
Water-Quality Conditions of Chester Creek, Anchorage, Alaska, 1998-2001
Roy L. Glass, Robert T. Ourso
2006, Scientific Investigations Report 2006-5229
Between October 1998 and September 2001, the U.S. Geological Survey's National Water-Quality Assessment Program evaluated the water-quality conditions of Chester Creek, a stream draining forest and urban settings in Anchorage, Alaska. Data collection included water, streambed sediments, lakebed sediments, and aquatic organisms samples from urban sites along the stream. Urban...
Particle-associated contaminants in street dust, parking lot dust, soil, lake-bottom sediment, and suspended and streambed sediment, Lake Como and Fosdic Lake watersheds, Fort Worth, Texas, 2004
Jennifer T. Wilson, Peter C. Van Metre, Charles J. Werth, Yanning Yang
2006, Data Series 211
A previous study by the U.S. Geological Survey of impaired water bodies in Fort Worth, Texas, reported elevated but variable concentrations of particle-associated contaminants (PACs) comprising chlorinated hydrocarbons, polycyclic aromatic hydrocarbons, and trace elements in suspended and bed sediment of lakes and streams affected by urban land use. The U.S....
Application of a stream-aquifer model to Monument Creek for development of a method to estimate transit losses for reusable water, El Paso County, Colorado
Gerhard Kuhn, L. Rick Arnold
2006, Scientific Investigations Report 2006-5184
The U.S. Geological Survey, in cooperation with Colorado Springs Utilities, the Colorado Water Conservation Board, and the El Paso County Water Authority, began a study in 2004 to (1) apply a stream-aquifer model to Monument Creek, (2) use the results of the modeling to develop a transit-loss accounting program for...
Application of municipal biosolids to dry-land wheat fields - A monitoring program near Deer Trail, Colorado (USA). A presentation for an international conference: "The Future of Agriculture: Science, Stewardship, and Sustainability", August 7-9, 2006, Sacramento, CA
James G. Crock, David B. Smith, Tracy J.B. Yager
2006, Open-File Report 2006-1286
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...
A logistic regression equation for estimating the probability of a stream in Vermont having intermittent flow
Scott A. Olson, Michael C. Brouillette
2006, Scientific Investigations Report 2006-5217
A logistic regression equation was developed for estimating the probability of a stream flowing intermittently at unregulated, rural stream sites in Vermont. These determinations can be used for a wide variety of regulatory and planning efforts at the Federal, State, regional, county and town levels, including such applications as assessing...
Hurricane Rita surge data, southwestern Louisiana and southeastern Texas, September to November 2005
Benton D. McGee, Burl B. Goree, Roland W. Tollett, Brenda K. Woodward, Wade H. Kress
2006, Data Series 220
Pressure transducers and high-water marks were used to document the inland water levels related to storm surge generated by Hurricane Rita in southwestern Louisiana and southeastern Texas. On September 22-23, 2005, an experimental monitoring network consisting of 47 pressure transducers (sensors) was deployed at 33 sites over an area of...
Review of Trace Element Blank and Replicate Data Collected in Ground and Surface Water for the National Water-Quality Assessment Program, 1991-2002
Lori E. Apodaca, David K. Mueller, Michael T. Koterba
2006, Scientific Investigations Report 2006-5093
The trace elements Sb, Be, and Tl in ground water and Sb, Be, Co, Mo, and U in surface water are unaffected by contamination. Limited quality control data (blanks) for Li and V in ground water and surface water do not allow for a good assessment on the potential contamination...
Environmental Effects of Agricultural Practices - Summary of Workshop Held on June 14-16, 2005
Water Resources Division, U.S. Geological Survey
2006, Scientific Investigations Report 2006-5215
A meeting between the U.S. Geological Survey (USGS) and its partners was held June 14-16, 2005, in Denver, CO, to discuss science issues and needs related to agricultural practices. The goals of the meeting were to learn about the (1) effects of agricultural practices on the environment and (2) tools...
Water and sediment quality in the Yukon River basin, Alaska, during water year 2004
Paul F. Schuster
2006, Open-File Report 2006-1258
This report contains water-quality and sediment-quality data from samples collected in the Yukon River Basin from March through September during the 2004 water year (WY). Samples were collected throughout the year at five stations in the basin (three on the main stem Yukon River, one each on the Tanana and...
Water resources data, Florida, water year 2005. Volume 2A: south Florida surface water
C. Price, K. Overton
2006, Water Data Report FL-05-2A
Water resources data for 2005 water year in Florida consists of continuous or daily discharge for 429 streams, periodic discharge for 9 streams, continuous or daily stage for 218 streams, periodic stage for 5 stream, peak discharge for 28 streams, and peak stage for 28 streams, continuous or daily elevations...
Heat flow in Railroad Valley, Nevada and implications for geothermal resources in the south-central Great Basin
Colin F. Williams, John H. Sass
2006, Geothermal Resources Council Transactions (30) 111-116
The Great Basin is a province of high average heat flow (approximately 90 mW m-2), with higher values characteristic of some areas and relatively low heat flow (<60 mW m-2) characteristic of an area in south-central Nevada known as the Eureka Low. There is hydrologic and thermal evidence that the...
Thematic mapper-derived mineral distribution maps of Idaho, Nevada, and western Montana
Gary L. Raines
2006, Data Series 185
This report provides mineral distribution maps based on TM spectral information of minerals commonly associated with hydrothermal alteration in Nevada, Idaho, and western Montana. The product of the processing is provided as four ESRI GRID files with 30 m resolution by state. UTM Zone 11 projection is used for Nevada...
Simulation of daily pesticide concentrations from watershed characteristics and monthly climatic data
Aldo V. Vecchia, Charles G. Crawford
2006, Scientific Investigations Report 2006-5181
A time-series model was developed to simulate daily pesticide concentrations for streams in the coterminous United States. The model was based on readily available information on pesticide use, climatic variability, and watershed charac-teristics and was used to simulate concentrations for four herbicides [atrazine, ethyldipropylthiocarbamate (EPTC), metolachlor, and trifluralin] and three...
Evaluation of well-purging effects on water-quality results for samples collected from the eastern Snake River Plain aquifer underlying the Idaho National Laboratory, Idaho
LeRoy L. Knobel
2006, Scientific Investigations Report 2006-5232
This report presents qualitative and quantitative comparisons of water-quality data from the Idaho National Laboratory, Idaho, to determine if the change from purging three wellbore volumes to one wellbore volume has a discernible effect on the comparability of the data. Historical water-quality data for 30 wells were visually compared to...
Water resources data, Florida, water year 2005Volume 2B: South Florida ground water
S. Prinos, R. Irvin, M. Byrne
2006, Water Data Report FL-05-2B
Water resources data for 2005 water year in Florida consists of continuous or daily discharge for 429 streams, periodic discharge for 9 streams, continuous or daily stage for 218 streams, periodic stage for 5 stream, peak discharge for 28 streams, and peak stage for 28 streams, continuous or daily elevations...
Results of analyses of the fungicide Chlorothalonil, its degradation products, and other selected pesticides at 22 surface-water sites in five Southern states, 2003-04
Elisabeth A. Scribner, James L. Orlando, William A. Battaglin, Mark W. Sandstrom, Kathryn Kuivila, Michael T. Meyer
2006, Open-File Report 2006-1207
In accordance with the mission of the U.S. Geological Survey (USGS) Toxic Substances Hydrology Program, a pesticide study was conducted during 2003–04 to determine the occurrence of the fungicide chlorothalonil and its degradation products at 22 surface-water sites in five Southern States. Water-quality samples were collected during the peanut-growing season...
Instream flow characterization of Upper Salmon River basin streams, central Idaho, 2005
Terry R. Maret, Jon Hortness, Douglas S. Ott
2006, Scientific Investigations Report 2006-5230
Anadromous fish populations in the Columbia River Basin have plummeted in the last 100 years. This severe decline led to Federal listing of Chinook salmon (Oncorhynchus tshawytscha) and steelhead trout (Oncorhynchus mykiss) stocks as endangered or threatened under the Endangered Species Act (ESA) in the 1990s. Historically, the upper Salmon...
Benthic habitat and geologic mapping of the outer continental shelf of north-central California
Roberto J. Anima, John L. Chin, James E. Conrad, Nadine E. Golden
2006, Open-File Report 2006-1177
The Fanny Shoal area is located between North Farallon Island and Cordell Bank approximately 40 miles west of San Francisco, California. The area lies within the Gulf of the Farallones National Marine Sanctuary (GFNMS) which is located just a few miles from San Francisco. The waters within the GFNMS are...
Audiomagnetotelluric data from Spring, Cave, and Coyote Spring Valleys, Nevada
Darcy McPhee, Bruce A. Chuchel, Louise Pellerin
2006, Open-File Report 2006-1164
Audiomagnetotelluric (AMT) data along four profiles in Spring, Cave, and Coyote Spring Valleys are presented here. The AMT method is used to estimate the electrical resistivity of the earth over depth ranges of a few meters to greater than one kilometer. This method is a valuable tool for revealing subsurface...
Water-quality reconnaissance of Laguna Tortuguero, Vega Baja, Puerto Rico, March 1999-May 2000
Luis Soler-Lopez, Senen Guzman-Rios, Carlos Conde-Costas
2006, Open-File Report 2006-1049
The Laguna Tortuguero, a slightly saline to freshwater lagoon in north-central Puerto Rico, has a surface area of about 220 hectares and a mean depth of about 1.2 meters. As part of a water-quality reconnaissance, water samples were collected at about monthly and near bi-monthly intervals from March 1999 to...