Petrographic and Vitrinite Reflectance Analyses of a Suite of High Volatile Bituminous Coal Samples from the United States and Venezuela
Paul C. Hackley, Jonathan J. Kolak
2008, Open-File Report 2008-1230
This report presents vitrinite reflectance and detailed organic composition data for nine high volatile bituminous coal samples. These samples were selected to provide a single, internally consistent set of reflectance and composition analyses to facilitate the study of linkages among coal composition, bitumen generation during thermal maturation, and geochemical characteristics...
Potentiometric Surface of the Upper Floridan Aquifer, West-Central Florida, May 2008
A.G. Ortiz
2008, Scientific Investigations Map 3057
The Floridan aquifer system consists of the Upper and Lower Floridan aquifers separated by the middle confining unit. The middle confining unit and the Lower Floridan aquifer in west-central Florida generally contain highly mineralized water. The water-bearing units containing fresh water are herein referred to as the Upper Floridan aquifer....
Analysis of Streamflow Trends, Ground-Water and Surface-Water Interactions, and Water Quality in the Upper Carson River Basin, Nevada and California
Douglas K. Maurer, Angela P. Paul, David L. Berger, C. Justin Mayers
2008, Scientific Investigations Report 2008-5238
Changes in land and water use and increasing development of water resources in the Carson River basin may affect flow of the river and, in turn, affect downstream water users dependent on sustained river flows to Lahontan Reservoir. To address these concerns, the U.S. Geological Survey, in cooperation with the...
Review of Available Water-Quality Data for the Southern Colorado Plateau Network and Characterization of Water Quality in Five Selected Park Units in Arizona, Colorado, New Mexico, and Utah, 1925 to 2004
Juliane B. Brown
2008, Scientific Investigations Report 2008-5130
Historical water-quality data in the National Park Service Southern Colorado Plateau Network have been collected irregularly and with little followup interpretation, restricting the value of the data. To help address these issues, to inform future water-quality monitoring planning efforts, and to address relevant National Park Service Inventory and Monitoring Program...
Estimated Nutrient Concentrations and Continuous Water-Quality Monitoring in the Eucha-Spavinaw Basin, Northwestern Arkansas and Northeastern Oklahoma, 2004-2007
Victoria G. Christensen, Rachel A. Esralew, Monica L. Allen
2008, Scientific Investigations Report 2008-5218
The Eucha-Spavinaw basin is the source of water for Lake Eucha and Spavinaw Lake, which are part of the water supply for the City of Tulsa. The City of Tulsa has received complaints of taste and odor in the finished drinking water because of deteriorating water quality. The deterioration is...
Estimated Water Use in Puerto Rico, 2005
Wanda L. Molina-Rivera, Fernando Gómez-Gómez
2008, Open-File Report 2008-1286
Water-use data were compiled for the 78 municipios of the Commonwealth of Puerto Rico for 2005. Five offstream categories were considered: public-supply water withdrawals and deliveries, domestic self-supplied water use, industrial self-supplied ground-water withdrawals, crop irrigation water use, and thermoelectric power freshwater use. One water-use category also was considered: power-generation...
Mapping Land Use/Land Cover in the Ambos Nogales Study Area
Laura M. Norman, Cynthia S.A. Wallace
2008, Open-File Report 2008-1378
The Ambos Nogales watershed, which surrounds the twin cities of Nogales, Arizona, United States and Nogales, Sonora, Mexico, has a history of problems related to flooding. This paper describes the process of creating a high-resolution, binational land-cover dataset to be used in modeling the Ambos Nogales watershed. The Automated Geospatial...
Variability in Lotic Communities in Three Contrasting Stream Environments in the Santa Ana River Basin, California, 1999-2001
Carmen A. Burton
2008, Scientific Investigations Report 2008-5217
Biotic communities and environmental conditions can be highly variable between natural ecosystems. The variability of natural assemblages should be considered in the interpretation of any ecological study when samples are either spatially or temporally distributed. Little is known about biotic variability in the Santa Ana River Basin. In this report,...
USGS Gulf Coast Science Conference and Florida Integrated Science Center Meeting: Proceedings with abstracts, October 20-23, 2008, Orlando, Florida
Dawn L. Lavoie, Barry H. Rosen, Dave Sumner, Kim H. Haag, Ann B. Tihansky, Betsy Boynton, Renee Koenig, editor(s)
2008, Open-File Report 2008-1329
Welcome! The USGS is the Nation's premier source of information in support of science-based decision making for resource management. We are excited to have the opportunity to bring together a diverse array of USGS scientists, managers, specialists, and others from science centers around the Gulf working on biologic, geologic, and hydrologic...
Limestone - A Crucial and Versatile Industrial Mineral Commodity
James D. Bliss, Timothy S. Hayes, Greta J. Orris
2008, Fact Sheet 2008-3089
Limestone, as used by the minerals industry, is any rock composed mostly of calcium carbonate (CaCO3). Although limestone is common in many parts of the United States, it is critically absent from some. Limestone is used to produce Portland cement, as aggregate in concrete and asphalt, and in an enormous...
Interpolation of Reconnaissance Multibeam and Single-Beam Bathymetry Offshore of Milford, Connecticut
L.J. Poppe, S.D. Ackerman, K.Y. McMullen, P.T. Schattgen, J.D. Schaer, E. F. Doran
2008, Open-File Report 2008-1146
This report releases echosounder data from the northern part of the National Oceanic and Atmospheric Administration (NOAA) hydrographic survey H11044 in Long Island Sound, off Milford, Connecticut. The data have been interpolated and regridded into a complete-coverage data set and image of the sea floor. The grid produced as a...
Geologic Map of the Kings Mountain and Grover Quadrangles, Cleveland and Gaston Counties, North Carolina, and Cherokee and York Counties, South Carolina
J. Wright Horton Jr.
2008, Scientific Investigations Map 2981
This geologic map of the Kings Mountain and Grover 7.5-min quadrangles, N.C.-S.C., straddles a regional geological boundary between the Inner Piedmont and Carolina terranes. The Kings Mountain sequence (informal name) on the western flank of the Carolina terrane in this area includes the Neoproterozoic Battleground and Blacksburg Formations. The Battleground...
Use of Numerical Models to Simulate Transport of Sewage-Derived Nitrate in a Coastal Aquifer, Central and Western Cape Cod, Massachusetts
Donald A. Walter
2008, Scientific Investigations Report 2007-5259
The unconsolidated glacial sediments underlying Cape Cod, Massachusetts compose a regional aquifer system that is used both as a source of drinking water and as a disposal site for wastewater; in addition, the discharge of clean ground water from the aquifer system is needed for the maintenance of freshwater and...
Framework for Evaluating Water Quality of the New England Crystalline Rock Aquifers
Philip T. Harte, Gilpin R. Robinson Jr., Joseph D. Ayotte, Sarah M. Flanagan
2008, Open-File Report 2008-1282
Little information exists on regional ground-water-quality patterns for the New England crystalline rock aquifers (NECRA). A systematic approach to facilitate regional evaluation is needed for several reasons. First, the NECRA are vulnerable to anthropogenic and natural contaminants such as methyl tert-butyl ether (MTBE), arsenic, and radon gas. Second, the physical...
Chemical data for precipitate samples
Andrea L. Foster, Randolph A. Koski
2008, Open-File Report 2007-1359-E
During studies of sulfide oxidation in coastal areas of Prince William Sound in 2005, precipitate samples were collected from onshore and intertidal locations near the Ellamar, Threeman, and Beatson mine sites (chapter A, fig. 1; table 7). The precipitates include jarosite and amorphous Fe oxyhydroxide from Ellamar, amorphous Fe oxyhydroxide...
Ground-Water Flow in the Vicinity of the Ho-Chunk Nation Communities of Indian Mission and Sand Pillow, Jackson County, Wisconsin
Charles P. Dunning, Gregory D. Mueller, Paul F. Juckem
2008, Scientific Investigations Report 2008-5121
An analytic element ground-water-flow model was constructed to help understand the ground-water-flow system in the vicinity of the Ho-Chunk Nation communities of Indian Mission and Sand Pillow in Jackson County, Wisconsin. Data from interpretive reports, well-drillers' construction reports, and an exploratory augering program in 2003 indicate that sand and gravel...
Simulated Effects of Year 2030 Water-Use and Land-Use Changes on Streamflow near the Interstate-495 Corridor, Assabet and Upper Charles River Basins, Eastern Massachusetts
Carl S. Carlson, Leslie A. DeSimone, Peter K. Weiskel
2008, Scientific Investigations Report 2008-5132
Continued population growth and land development for commercial, industrial, and residential uses have created concerns regarding the future supply of potable water and the quantity of ground water discharging to streams in the area of Interstate 495 in eastern Massachusetts. Two ground-water models developed in 2002-2004 for the Assabet and...
Status of the Island Night Lizard and Two Non-Native Lizards on Outlying Landing Field San Nicolas Island, California
Gary M. Fellers, Charles A. Drost, Thomas G. Murphey
2008, Open-File Report 2008-1371
More than 900 individually marked island night lizards (Xantusia riversiana) were captured on San Nicolas Island, California, between 1984 and 2007 as part of an ongoing study to monitor the status of this threatened species. Our data suggest that at least a few lizards are probably more than 20 years...
Flood plain delineation for the Fremont River and Bull Creek, Hanksville, Utah
Terry A. Kenney, Susan G. Buto
2008, Scientific Investigations Report 2008-5233
Predicted inundation maps for the Fremont River and Bull Creek in Hanksville, Utah, were developed using one-dimensional hydraulic models. Estimates of the 1-percent chance (100-year) peak streamflows were determined for the Fremont River and Bull Creek study reaches by using annual peak series data from streamflow-gaging stations and regional peak-flow...
Methods for estimating monthly and annual streamflow statistics at ungaged sites in Utah
Chris D. Wilkowske, Terry A. Kenney, Shane J. Wright
2008, Scientific Investigations Report 2008-5230
The monthly 80-, 50-, and 20-percent exceedance streamflows were calculated for 266 streamflow-gaging stations in Utah and the surrounding states. Using geographic information systems software, 24 physiographic and climatic basin characteristics were computed for each gaging station location. Using these data, regional regression equations were created to predict monthly 80-,...
Occurrence, Distribution, Sources, and Trends of Elevated Chloride Concentrations in the Mississippi River Valley Alluvial Aquifer in Southeastern Arkansas
Timothy M. Kresse, Brian R. Clark
2008, Scientific Investigations Report 2008-5193
Water-quality data from approximately 2,500 sites were used to investigate the distribution of chloride concentrations in the Mississippi River Valley alluvial aquifer in southeastern Arkansas. The large volume and areal distribution of the data used for the investigation proved useful in delineating areas of elevated (greater than 100 milligrams per...
Wild sheep and deer in Hawai'i: a threat to fragile ecosystems
Steven C. Hess
2008, Fact Sheet 2008-3102
The unique native flora of the Hawaiian Islands, which evolved in the absence of ungulates (grazing animals), is highly vulnerable to damage by trampling and browsing. Wild ungulates introduced into Hawai'i in the past 150 years, including mouflon, axis deer, and mule deer, have severely harmed the native flora. Control...
Methods and Indicators for Assessment of Regional Ground-Water Conditions in the Southwestern United States
Fred D. Tillman, Stanley A. Leake, Marilyn E. Flynn, Jeffrey T. Cordova, Kurt T. Schonauer, Jesse E. Dickinson
2008, Scientific Investigations Report 2008-5209
Monitoring the status and trends in the availability of the Nation's ground-water supplies is important to scientists, planners, water managers, and the general public. This is especially true in the semiarid to arid southwestern United States where rapid population growth and limited surface-water resources have led to increased use of...
Evaluation of Terrestrial LIDAR for Monitoring Geomorphic Change at Archeological Sites in Grand Canyon National Park, Arizona
Brian D. Collins, Kristin M. Brown, Helen C. Fairley
2008, Open-File Report 2008-1384
This report presents the results of an evaluation of terrestrial light detection and ranging (LIDAR) for monitoring geomorphic change at archeological sites located within Grand Canyon National Park, Ariz. Traditionally, topographic change-detection studies have used total station methods for the collection of data related to key measurable features of site...
Use of Light Detection and Ranging (LiDAR) to Obtain High-Resolution Elevation Data for Sussex County, Delaware
Roger A. Barlow, Mark R. Nardi, Betzaida Reyes
2008, Fact Sheet 2008-3088
Sussex County, Delaware, occupies a 938-square-mile area of low relief near sea level in the Atlantic Coastal Plain. The county is bounded on the east by the Delaware Bay and the Atlantic Ocean, including a barrier-island system, and inland bays that provide habitat for valuable living resources. Eastern Sussex County...