Occurrence and implications of methyl tert-butyl ether and gasoline hydrocarbons in ground water and source water in the United States and in drinking water in 12 Northeast and Mid-Atlantic States, 1993-2002
Michael J. Moran, John S. Zogorski, Paul J. Squillace
2004, Water-Resources Investigations Report 2003-4200
The occurrence and implications of methyl tert-butyl ether (MTBE) and gasoline hydrocarbons were examined in three surveys of water quality conducted by the U.S. Geological Survey?one national-scale survey of ground water, one national-scale survey of source water from ground water, and one regional-scale survey of drinking water from ground water....
Estimation of Total Nitrogen and Phosphorus in New England Streams Using Spatially Referenced Regression Models
Richard Bridge Moore, Craig M. Johnston, Keith W. Robinson, Jeffrey R. Deacon
2004, Scientific Investigations Report 2004-5012
The U.S. Geological Survey (USGS), in cooperation with the U.S. Environmental Protection Agency (USEPA) and the New England Interstate Water Pollution Control Commission (NEIWPCC), has developed a water-quality model, called SPARROW (Spatially Referenced Regressions on Watershed Attributes), to assist in regional total maximum daily load (TMDL) and nutrient-criteria activities in...
Precambrian basement geologic map of Montana– An interpretation of aeromagnetic anomalies
P.K. Sims, J.M. O’Neill, Viki Bankey, E. Anderson
2004, Scientific Investigations Map 2829
Newly compiled aeromagnetic anomaly data of Montana, in conjunction with the known geologic framework of basement rocks, have been combined to produce a new interpretive geologic basement map of Montana. Crystalline basement rocks compose the basement, but are exposed only in the cores of mountain ranges in southwestern Montana....
Surficial geologic map of the southwest Memphis Quadrangle, Shelby County, Tennessee, and Crittenden County, Arkansas
David W. Moore, Sharon F. Diehl
2004, Scientific Investigations Map 2823
This map is one of seven 1:24,000-scale (7.5-minute) quadrangle maps of the surficial geology of the Memphis, Tennessee, area--part of a series of urban hazard maps. Wind-deposited silt and clayey silt (loess) is the predominant surficial deposit...
Review of Results and Recommendations from the GCMRC 2000-2003 Remote-Sensing Initiative for Monitoring Environmental Resources Within the Colorado River Ecosystem
Philip A. Davis
2004, Open-File Report 2004-1206
In mid-2000, the Grand Canyon Monitoring and Research Center (GCMRC) began a remote-sensing initiative to evaluate all remote-sensing technologies and methods that had potential for providing improved data (capability) for its various programs that monitor the Colorado River ecosystem (CRE). The primary objective of the initiative was to determine the...
Summary and Synthesis of Mercury Studies in the Cache Creek Watershed, California, 2000-01
Joseph L. Domagalski, Darell Slotton, Charles N. Alpers, Thomas H. Suchanek, Ronald Churchill, Nicolas Bloom, Shaun M. Ayers, John Clinkenbeard
2004, Water-Resources Investigations Report 2003-4335
This report summarizes the principal findings of the Cache Creek, California, components of a project funded by the CALFED Bay?Delta Program entitled 'An Assessment of Ecological and Human Health Impacts of Mercury in the Bay?Delta Watershed.' A companion report summarizes the key findings of other components of the project based...
Biosolids, Soil, Crop, Ground-Water, and Streambed-Sediment Data for a Biosolids-Application Area Near Deer Trail, Colorado, 2000
Tracy J.B. Yager, David B. Smith, James G. Crock, Michael R. Stevens
2004, Open-File Report 2003-400
In January 1999, the U.S. Geological Survey began an expanded monitoring program near Deer Trail, Colorado, in cooperation with the Metro Wastewater Reclamation District and the North Kiowa Bijou Groundwater Management District. Monitoring components were biosolids, soils, crops, ground water, and streambed sediments. The monitoring program addresses concerns from the public...
Results of Electrical Resistivity Data Collected near the Town of Guernsey, Platte County, Wyoming
Robert R. McDougal, Jared D. Abraham, Robert J. Bisdorf
2004, Open-File Report 2004-1095
As part of a study to investigate subsurface geologic conditions as they relate to ground-water flow in an abandoned landfill near the town of Guernsey, Wyoming, geophysical direct current (DC) resistivity data were collected. Eight vertical resistivity soundings and eight horizontal resistivity profiles were made using single channel and multi-channel...
Wildfire-related floods and debris flows in Montana in 2000 and 2001
Charles Parrett, Susan H. Cannon, Kenneth L. Pierce
2004, Water-Resources Investigations Report 2003-4319
Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of organochlorine pesticides and polychlorinated biphenyls in bottom and suspended sediment by gas chromatography with electron-capture detection
Mary C. Noriega, Duane S. Wydoski, William T. Foreman
2004, Water-Resources Investigations Report 2003-4293
A method applicable for the determination of 19 organochlorine (OC) pesticides, including total toxaphene as a complex mixture, and 3 polychlorinated biphenyl (PCB) mixtures as Aroclor equivalents--Aroclor 1016/1242, 1254, and 1260--in soil, aquatic bottom sediment, and suspended sediment is described. Method performance data are presented. The solvent system...
Chemical analyses of tertiary volcanic rocks, central San Juan caldera complex, southwestern Colorado
Peter W. Lipman
2004, Open-File Report 2004-1194
In conjunction with integrated mapping of the Oligocene central San Juan caldera cluster, southwestern Colorado (USGS I-Map 2799, in press), all modern chemical analyses of volcanic rocks for this area determined in laboratories of the U.S. Geological Survey have been re-evaluated in terms of the stratigraphic sequence as presently understood....
Assessment of Fish Habitat, Water Quality, and Selected Contaminants in Streambed Sediments in Noyes Slough, Fairbanks, Alaska, 2001-2002
Ben W. Kennedy, Matthew S. Whitman, Robert L. Burrows, Sharon A. Richmond
2004, Water-Resources Investigations Report 2003-4328
During 2001-2002, the U.S. Geological Survey sampled streambed sediment at 23 sites, measured water quality at 26 sites, and assessed fish habitat for the entire length of Noyes Slough, a 5.5-mile slough of the Chena River in Fairbanks, Alaska. These studies were undertaken to document the environmental condition of the...
The National Assessment of Shoreline Change: A GIS Compilation of Vector Shorelines and Associated Shoreline Change Data for the U.S. Gulf of Mexico
Tara L. Miller, Robert A. Morton, Asbury H. Sallenger Jr., Laura J. Moore
2004, Open-File Report 2004-1089
Introduction The Coastal and Marine Geology Program of the U.S. Geological Survey has generated a comprehensive database of digital vector shorelines and shoreline change rates for the U.S. Gulf of Mexico. These data, which are presented herein, were compiled as part of the U.S. Geological Survey's National Assessment of Shoreline Change...
Laser Ablation ICP-Mass Spectrometry -- A New Tool for Analyzing Metals in Tree Rings
Water Resources Division, U.S. Geological Survey
2004, Fact Sheet 2004-3031
A USGS Study of Talc Deposits and Associated Amphibole Asbestos Within Mined Deposits of the Southern Death Valley Region, California
Bradley S. Van Gosen, Heather Lowers, Stephen J. Sutley
2004, Open-File Report 2004-1092
Precipitation history of the Mojave Desert region, 1893-2001
Richard Hereford, Robert H. Webb, Claire I. Longpre
2004, Fact Sheet 117-03
Assessment of Undiscovered Oil and Gas Resources of the San Joaquin Basin Province of California, 2003
Water Resources Division, U.S. Geological Survey
2004, Fact Sheet 2004-3043
Evaluation of Water Quality for Two St. Johns River Tributaries Receiving Septic Tank Effluent, Duval County, Florida
Shaun Wicklein
2004, Water-Resources Investigations Report 2003-4299
Tributary streamflow to the St. Johns River in Duval County is thought to be affected by septic tank leachate from residential areas adjacent to these tributaries. Water managers and the city of Jacksonville have committed to infrastructure improvements as part of a management plan to address the impairment of tributary...
Compilation of Post Wildfire Runoff-Event Data from the Western United States
Joseph E. Gartner, Erica R. Bigio, Susan H. Cannon
2004, Open-File Report 2004-1085
Hydrogeology, water quality, and distribution and sources of salinity in the Floridan aquifer system, Martin and St. Lucie Counties, Florida
Ronald S. Reese
2004, Water-Resources Investigations Report 2003-4242
The Floridan aquifer system is considered to be a valuable source for agricultural and municipal water supply in Martin and St. Lucie Counties, despite its brackish water. Increased withdrawals, however, could increase salinity and threaten the quality of withdrawn water. The Floridan aquifer system consists of limestone, dolomitic limestone, and...
Topographic Map of the Southwest Ascraeus Mons Region of Mars - MTM 500k 10/252E OMKT
Water Resources Division, U.S. Geological Survey
2004, IMAP 2798
This map is part of a series of topographic maps of areas of special scientific interest on Mars. The topography was compiled photogrammetically using Viking Orbiter stereo image pairs. The contour interval is 250 meters. Horizontal and vertical control was established using the USGS Mars Digital Image Model 2.0 (MDIM...
Quaternary Fault and Fold Database for the Nation
Water Resources Division, U.S. Geological Survey
2004, Fact Sheet 2004-3033
Hydrologic Effects of the 1988 Galena Fire, Black Hills Area, South Dakota
Daniel G. Driscoll, Janet M. Carter, Donald O. Ohlen
2004, Water-Resources Investigations Report 2003-4323
The Galena Fire burned about 16,788 acres of primarily ponderosa pine forest during July 5-8, 1988, in the Black Hills area of South Dakota. The fire burned primarily within the Grace Coolidge Creek drainage basin and almost entirely within the boundaries of Custer State Park. A U.S. Geological Survey gaging...
National Assessment of Shoreline Change: Part 1, Historical Shoreline Changes and Associated Coastal Land Loss Along the U.S. Gulf of Mexico
Robert A. Morton, Tara L. Miller, Laura J. Moore
2004, Open-File Report 2004-1043
EXECUTIVE SUMMARY Beach erosion is a chronic problem along most open-ocean shores of the United States. As coastal populations continue to grow and community infrastructures are threatened by erosion, there is increased demand for accurate information regarding past and present trends and rates of shoreline movement. There is also a need...
Selected natural attenuation monitoring data, Operable Unit 1, Naval Undersea Warfare Center, Division Keyport, Washington, June 2002
Richard S. Dinicola
2004, Open-File Report 2004-1203
Previous investigations indicated that natural attenuation and biodegradation of chlorinated volatile organic compounds (CVOCs) are substantial in shallow ground water beneath the 9-acre former landfill at Operable Unit 1 (OU 1), Naval Undersea Warfare Center (NUWC), Division Keyport, Washington. The U.S. Geological Survey (USGS) has continued to monitor ground-water geochemistry...
