Mercury at the Oat Hill Extension Mine and James Creek, Napa County, California: Tailings, sediment, water, and biota, 2003-2004
Aaron J. Slowey, James J. Rytuba, Roger L. Hothem, Jason T. May
2007, Open-File Report 2007-1132
The Oat Hill Extension (OHE) Mine is one of several mercury mines located in the James Creek/Pope Creek watershed that produced mercury from the 1870's until 1944 (U.S. Bureau of Mines, 1965). The OHE Mine developed veins and mineralized fault zones hosted in sandstone that extended eastward from the Oat...
Proceedings of the U.S. Geological Survey 2004 Mercury Workshop - Mercury research and its relation to Department of the Interior resource management
John A. Colman, editor(s)
2007, Open-File Report 2007-1026
IntroductionAs part of the Department of the Interior (DOI) program Science on the DOI Landscape Initiative, the U.S. Geological Survey (USGS), Eastern Region, held a workshop during August 17–18, 2004, in Reston, VA, on mercury in the environment as it relates to DOI resource management. DOI bureaus manage millions of...
Water-Use Estimates for West Virginia, 2004
John T. Atkins
2007, Open-File Report 2007-1038
This study estimates the quantity of surface water and ground water used within West Virginia. About 4,787 million gallons per day (Mgal/d) of water were withdrawn from West Virginia surface-water and ground-water sources in 2004, with about 4,641 Mgal/d (97 percent) from surface-water sources and about 146 Mgal/d (3 percent)...
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,...
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...
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...
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...
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....
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...
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...
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....
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...
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....
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...
Determination of total mercury in fillets of sport fishes collected from Folsom Reservoir, California, 2006
Thomas W. May, William G. Brumbaugh
2007, Open-File Report 2007-1078
This report presents the results of a study by the U.S. Geological Survey, done in cooperation with the U.S. Bureau of Reclamation, to determine mercury concentrations in selected sport fishes from Folsom Reservoir in California. Fillets were collected from each fish sample, and after homogenization and lyophilization of fish fillets,...
Determination of total mercury in fillets of sport fishes collected from Folsom and New Melones Reservoirs, California, 2004
Thomas W. May, William G. Brumbaugh
2007, Open-File Report 2007-1077
This report presents the results of a study by the U.S. Geological Survey, done in cooperation with the U.S. Bureau of Reclamation, to determine mercury concentrations in selected sport fishes from Folsom and New Melones Reservoirs in California. Fillets were collected from each fish sample, and after homogenization and lyophilization...
Determination of total mercury in whole-body fish and fish muscle plugs collected from the South Fork of the Humboldt River, Nevada, September 2005
Thomas W. May, William G. Brumbaugh
2007, Open-File Report 2007-1059
This report presents the results of a study by the U.S. Geological Survey, done in cooperation with the U.S. Bureau of Reclamation, to determine mercury concentrations in whole-body fish and fish muscle plugs from the South Fork of the Humboldt River near Elko in the Te-Moak Indian Reservation. A single...
Pilot Study of Sublethal Effects on Fish of Pesticides Currently Used and Proposed for Use on Maine Blueberries
Adria A. Elskus
2007, Open-File Report 2007-1110
Blueberry pesticides have been detected consistently in some Down East Maine rivers, yet little is known about the sublethal effects of these pesticides on fish early life stages. The Maine blueberry industry is proposing to replace the insecticide ImidanTM (active ingredient phosmet) and the herbicide VelparTM (active ingredient hexazinone), two...
Inventory of Amphibians and Reptiles at Mojave National Preserve: Final Report
Trevor B. Persons, Erika M. Nowak
2007, Open-File Report 2007-1109
As part of the National Park Service Inventory and Monitoring Program in the Mojave Network, we conducted an inventory of amphibians and reptiles at Mojave National Preserve in 2004-2005. Objectives for this inventory were to use fieldwork, museum collections, and literature review to document the occurrence of reptile and amphibian...
WOVOdat design document: The schema, table descriptions, and create table statements for the database of worldwide volcanic unrest (WOVOdat Version 1.0)
Dina Y. Venezky, Christopher G. Newhall
2007, Open-File Report 2007-1117
WOVOdat Overview During periods of volcanic unrest, the ability to forecast near future activity has been a primary concern for human populations living near volcanoes. Our ability to forecast future activity and mitigate hazards is based on knowledge of previous activity at the volcano exhibiting unrest and knowledge of previous activity...
Publications of the Western Earth Surfaces Processes Team 2005
Charles Powell II, Paul Stone
2007, Open-File Report 2007-1027
Introduction The Western Earth Surface Processes Team (WESPT) of the U.S. Geological Survey (USGS) conducts geologic mapping, earth-surface process investigations, and related topical earth science studies in the western United States. This work is focused on areas where modern geologic maps and associated earth-science data are needed to address key societal...
Selenium Concentrations in Middle Pennsylvanian Coal-Bearing Strata in the Central Appalachian Basin
Sandra G. Neuzil, Frank T. Dulong, C. Blaine Cecil, Nick Fedorko, John J. Renton, D.K. Bhumbla
2007, Open-File Report 2007-1090
Introduction This report provides the results of a reconnaissance-level investigation of selenium (Se) concentrations in Middle Pennsylvanian coal-bearing strata in the central Appalachian basin. Bryant and others (2002) reported enrichments of Se concentrations in streams draining areas disturbed by surface mining relative to Se concentrations in streams that drain undisturbed areas;...
Preliminary Results of Subsurface Exploration and Monitoring at the Johnson Creek Landslide, Lincoln County, Oregon
William H. Schulz, William L. Ellis
2007, Open-File Report 2007-1127
The Johnson Creek landslide is a translational, primarily bedrock landslide located along the Oregon coast about 5 km north of Newport. The landslide has damaged U.S. Highway 101 many times since construction of the highway and at least two geological and geotechnical investigations of the landslide have been performed by...
Comprehensive Areal Model of Earthquake-Induced Landslides: Technical Specification and User Guide
Scott B. Miles, David K. Keefer
2007, Open-File Report 2007-1072
This report describes the complete design of a comprehensive areal model of earthquakeinduced landslides (CAMEL). This report presents the design process, technical specification of CAMEL. It also provides a guide to using the CAMEL source code and template ESRI ArcGIS map document file for applying CAMEL, both of which can...
Potentiometric Surface of the Upper Floridan Aquifer, West-Central Florida, May 2006
A.G. Ortiz
2007, Open-File Report 2007-1032
Introduction Hydrologic Conditions in West-Central Florida 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...
