Monitoring fine-sediment volume in the Colorado River ecosystem, Arizona: Bathymetric survey techniques
Matt Kaplinski, Joseph E. Hazel Jr., Rod Parnell, Mike Breedlove, Keith Kohl, Mark Gonzales
2009, Open-File Report 2009-1207
In 2002, a fine-grained sediment (sand, silt, and clay) monitoring effort was initiated in the Colorado River ecosystem, the river corridor downstream from Glen Canyon Dam, to directly survey channel topography at scales previously unobtainable in this canyon setting. This report presents an overview of the equipment and the methods...
Thatcher Bay, Washington, Nearshore Restoration Assessment
Joel Breems, Sandy Wyllie-Echeverria, Eric E. Grossman, Joel Elliott
2009, Open-File Report 2008-1369
The San Juan Archipelago, located at the confluence of the Puget Sound, the Straits of Juan de Fuca in Washington State, and the Straits of Georgia, British Columbia, Canada, provides essential nearshore habitat for diverse salmonid, forage fish, and bird populations. With 408 miles of coastline, the San Juan Islands...
Mercury, methylmercury, and other constituents in sediment and water from seasonal and permanent wetlands in the Cache Creek settling basin and Yolo Bypass, Yolo County, California, 2005-06
Mark Marvin-DiPasquale, Charles N. Alpers, Jacob A. Fleck
2009, Open-File Report 2009-1182
This report presents surface water and surface (top 0-2 cm) sediment geochemical data collected during 2005-2006, as part of a larger study of mercury (Hg) dynamics in seasonal and permanently flooded wetland habitats within the lower Sacramento River basin, Yolo County, California. The study was conducted in two phases. Phase...
Low-fluorine Stockwork Molybdenite Deposits
Steve Ludington, Jane Hammarstrom, Nadine M. Piatak
2009, Open-File Report 2009-1211
Low-fluorine stockwork molybdenite deposits are closely related to porphyry copper deposits, being similar in their tectonic setting (continental volcanic arc) and the petrology (calc-alkaline) of associated igneous rock types. They are mainly restricted to the Cordillera of western Canada and the northwest United States, and their distribution elsewhere in the...
U.S. Geological Survey Science for the Wyoming Landscape Conservation Initiative - 2008 Annual Report
Zachary H. Bowen, Cameron L. Aldridge, Patrick J. Anderson, Timothy J. Assal, Lori Anne Baer, R. Sky Bristol, Natasha B. Carr, Geneva W. Chong, Jay E. Diffendorfer, Bradley C. Fedy, Steven L. Garman, Steve Germaine, Richard I. Grauch, Collin G. Homer, Daniel J. Manier, Matthew J. Kauffman, Natalie Latysh, Cynthia P. Melcher, Kirk A. Miller, Jessica Montag, Constance J. Nutt, Christopher Potter, Hall Sawyer, David B. Smith, Michael J. Sweat, Anna B. Wilson
2009, Open-File Report 2009-1201
The Wyoming Landscape Conservation Initiative (WLCI) was launched in 2007 in response to concerns about threats to the State's world class wildlife resources, especially the threat posed by rapidly increasing energy development in southwest Wyoming. The overriding purpose of the WLCI is to assess and enhance aquatic and terrestrial habitats...
Selected Natural Attenuation Monitoring Data, Operable Unit 1, Naval Undersea Warfare Center, Division Keyport, Washington, 2007 and 2008
R.S. Dinicola, R.L. Huffman
2009, Open-File Report 2009-1141
Previous investigations indicate that natural attenuation and biodegradation of chlorinated volatile organic compounds (VOCs) are substantial in groundwater beneath the 9-acre former landfill at Operable Unit 1 (OU 1), Naval Undersea Warfare Center, Division Keyport, Washington. Phytoremediation combined with on-going natural attenuation processes was the preferred remedy selected by the...
Preliminary Physical Stratigraphy and Geophysical Data From the USGS Dixon Core, Onslow County, North Carolina
Ellen Seefelt, Wilma Aleman B. Gonzalez, Jean M. Self-Trail, Robert E. Weems, Lucy E. Edwards, Herbert A. Pierce, Colleen T. Durand
2009, Open-File Report 2009-1194
In October through November 2006, scientists from the U. S. Geological Survey (USGS) Eastern Region Earth Surface Processes Team (EESPT) and the Raleigh (N.C.) Water Science Center (WSC), in cooperation with the North Carolina Geological Survey (NCGS) and the Onslow County Water and Sewer Authority (ONWASA), drilled a stratigraphic test...
Mississippi Valley-Type Lead-Zinc Deposit Model
David L. Leach, Ryan D. Taylor
2009, Open-File Report 2009-1213
Mississippi Valley-type (MVT) lead-zinc (Pb+Zn) deposits are found throughout the world, and these deposits are characteristically distributed over hundreds of square kilometers that define individual ore districts. The median size of individual MVT deposits is 7.0 million tonnes with grades of about 7.9 percent Pb+Zn metal. However, MVT deposits usually...
Users' manual and installation guide for the EverVIEW Slice and Dice Tool (Version 1.0 Beta)
Dustin Roszell, Craig Conzelmann, Sumani Chimmula, Anuradha Chandrasekaran, Christina Hunnicut
2009, Open-File Report 2009-1177
Network Common Data Form (NetCDF) is a self-describing, machine-independent file format for storing array-oriented scientific data. Over the past few years, there has been a growing movement within the community of natural resource managers in The Everglades, Fla., to use NetCDF as the standard data container for datasets based on...
Summary of West Virginia Water-Resource Data through September 2008
R. D. Evaldi, S.M. Ward, J.S. White
2009, Open-File Report 2009-1199
The West Virginia Water Science Center of the U.S. Geological Survey, in cooperation with State and Federal agencies, obtains a large amount of data pertaining to the water resources of West Virginia each water year. A water year is the 12-month period beginning October 1 and ending September 30. These...
Geologic Criteria for the Assessment of Sedimentary Exhalative (Sedex) Zn-Pb-Ag Deposits
Poul Emsbo
2009, Open-File Report 2009-1209
Sedex deposits account for more than 50 percent of the world's zinc and lead reserves and furnish more than 25 percent of the world's production of these two metals. This report draws on previous syntheses as well as on topical studies of deposits in sedex basins to determine the characteristics...
Recent subsidence and erosion at diverse wetland sites in the southeastern Mississippi Delta Plain
Robert A. Morton, Julie Bernier, Kyle W. Kelso
2009, Open-File Report 2009-1158
A prior study (U.S. Geological Survey Open-File Report 2005-1216) examined historical land- and water-area changes and estimated magnitudes of land subsidence and erosion at five wetland sites in the Terrebonne hydrologic basin of the Mississippi delta plain. The present study extends that work by analyzing interior wetland loss and relative...
Climax-Type Porphyry Molybdenum Deposits
Steve Ludington, Geoffrey S. Plumlee
2009, Open-File Report 2009-1215
Climax-type porphyry molybdenum deposits, as defined here, are extremely rare; thirteen deposits are known, all in western North America and ranging in age from Late Cretaceous to mainly Tertiary. They are consistently found in a postsubduction, extensional tectonic setting and are invariably associated with A-type granites that formed after peak...
Digital coordinates and age for 3,869 foraminifer samples collected by Chevron Petroleum geologists in Washington and Oregon
William B. West, Earl E. Brabb, William T. Malmborg, John M. Parker
2009, Open-File Report 2009-1185
The general location and age of more than 33,500 mostly foraminifer samples from Chevron Petroleum Company surface localities in California were provided by Brabb and Parker (2003, 2005). Malmborg and others (2008) provided digital latitude, longitude, and age for more than 13,000 of these samples. We provide here for the...
Results of the Analyses for 1,4-Dioxane of Groundwater Samples Collected in the Tucson Airport Remediation Project Area, South-Central Arizona, 2006-2009
Fred D. Tillman
2009, Open-File Report 2009-1196
Extensive groundwater contamination resulting from industrial activities led to the listing of the Tucson International Airport Area (TIAA) as a Superfund Site by the U.S. Environmental Protection Agency (USEPA) in 1983. Early investigations revealed elevated levels of volatile organic compounds (VOCs), including the chlorinated solvents trichloroethylene and perchloroethylene, in wells...
Benthic oxygen demand in three former salt ponds adjacent to south San Francisco Bay, California
Brent R. Topping, James S. Kuwabara, Nicole D. Athearn, John Y. Takekawa, Francis Parcheso, Kathleen D. Henderson, Sara Piotter
2009, Open-File Report 2009-1180
Sampling trips were coordinated in the second half of 2008 to examine the interstitial water in the sediment and the overlying bottom waters of three shallow (average depth <1 meter) ponds adjacent to the southern reach of San Francisco Bay (herein referred to as South Bay), which were previously used...
St. Louis Area Earthquake Hazards Mapping Project - A PowerPoint presentation
Robert A. Williams
2009, Open-File Report 2009-1198
This Open-File Report contains illustrative materials, in the form of PowerPoint slides, used for an oral presentation given at the Earthquake Insight St. Louis, Mo., field trip held on May 28, 2009. The presentation focused on summarizing the St. Louis Area Earthquake Hazards Mapping Project (SLAEHMP) justification, goals, achievements, and...
A landscape indicator approach to the identification and articulation of the consequences of land-cover change in the Mid-Atlantic Region, 1973-2001
E. Terrence Slonecker, Lesley E. Milheim, Peter R. Claggett
2009, Open-File Report 2009-1187
Landscape indicators, derived from land-use and land-cover data, hydrology, nitrate deposition, and elevation data, were used by Jones and others (2001a) to calculate the ecological consequences of land-cover change. Nitrate loading and physical bird habitat were modeled from 1973 and 1992 land-cover and other spatial data for the Mid-Atlantic region....
Groundwater, surface–water, and water-chemistry data, Black Mesa area, northeastern Arizona—2007-2008
Jamie P. Macy
2009, Open-File Report 2009-1148
The N aquifer is an extensive aquifer and the primary source of groundwater in the 5,400-square-mile Black Mesa area in northeastern Arizona. Availability of water is an important issue in northeastern Arizona because of continued water requirements for industrial and municipal use by a growing population and because of low...
Modified Mercalli Intensity Assignments for the May 16, 1909, Northern Plains Earthquake
W. H. Bakun, M. C. Stickney, G. Rogers
2009, Open-File Report 2009-1184
We combine newspaper accounts and Nuttli's (1976) isoseismal map to assign modified Mercalli intensity (MMI) at 76 towns for the May 16, 1909 Northern Plains earthquake. The earthquake was felt across more than 1,500,000 km2 in the States of Minnesota, Montana, North Dakota, South Dakota, and Wyoming and the Provinces...
Estimation of Unsaturated Zone Traveltimes for Rainier Mesa and Shoshone Mountain, Nevada Test Site, Nevada, Using a Source-Responsive Preferential-Flow Model
Brian A. Ebel, John R. Nimmo
2009, Open-File Report 2009-1175
Traveltimes for contaminant transport by water from a point in the unsaturated zone to the saturated zone are a concern at Rainier Mesa and Shoshone Mountain in the Nevada Test Site, Nevada. Where nuclear tests were conducted in the unsaturated zone, contaminants must traverse hundreds of meters of variably saturated...
Rainfall, discharge, and water-quality data during stormwater monitoring, July 1, 2008, to June 30, 2009; Halawa Stream drainage basin and the H-1 storm drain, Oahu, Hawaii
Todd K. Presley, Marcael T. J. Jamison
2009, Open-File Report 2009-1162
Storm runoff water-quality samples were collected as part of the State of Hawaii Department of Transportation Stormwater Monitoring Program. The program is designed to assess the effects of highway runoff and urban runoff on Halawa Stream, and to assess the effects from the H-1 storm drain on Manoa Stream. For...
Distribution and Joint Fish-Tag Survival of Juvenile Chinook Salmon Migrating through the Sacramento-San Joaquin River Delta, California, 2008
Christopher M. Holbrook, Russell W. Perry, Noah S. Adams
2009, Open-File Report 2009-1204
Acoustic telemetry was used to obtain the movement histories of 915 juvenile fall-run Chinook salmon (Oncorhynchus tshawytscha) through the lower San Joaquin River and Sacramento-San Joaquin Delta, California, in 2008. Data were analyzed within a release-recapture framework to estimate survival, route distribution, and detection probabilities among three migration pathways through...
Preliminary geologic map of the Vermejo Peak area, Colfax and Taos Counties, New Mexico and Las Animas and Costilla Counties, Colorado
Christopher J. Fridrich, Ralph R. Shroba, Charles L. Pillmore, Adam M. Hudson
2009, Open-File Report 2009-1189
This geologic map covers four 7.5-minute quadrangles-The Wall, NM-CO (New Mexico-Colorado), Vermejo Park, NM-CO, Ash Mountain, NM, and Van Bremmer Park, NM. The study area straddles the boundary between the eastern flank of the Sangre de Cristo Mountains and the western margin of the Raton Basin, with about two-thirds of...
Results From a Microbial Source-Tracking Study at Villa Angela Beach, Cleveland, Ohio, 2007
Rebecca N. Bushon, Erin A. Stelzer, Donald M. Stoeckel
2009, Open-File Report 2009-1160
During the 2007 recreational season at Villa Angela Beach in Cleveland, Ohio, scientists with the U.S. Geological Survey (USGS) and the Northeast Ohio Regional Sewer District (NEORSD) found high Escherichia coli (E. coli) concentrations that were not easily explained by results obtained to date in ongoing investigations of recreational water...