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334 Titles Match Your Query
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1. Map of Debris-Flow Source Areas in the San Francisco Bay Region, California [USGS_OFR_97_745_E]
This report is a digital database package containing both plotfiles and Geographic Information Systems (GIS) databases of maps of potential debris flow sources, as well as locations of historic debris ...


2. Shaded Relief Map of the San Francisco Bay Region, California [USGS_OFR_97_745_B]
This report is a digital database package containing both plotfiles and Geographic Information Systems (GIS) databases of shaded relief maps of the San Francisco Bay Region. The data are provided ...


3. Dissolved Pesticide and Organic Carbon Concentrations Detected in Surface Waters, Northern Central Valley, California, 2001-2002 [USGS_OFR_2004_1214]
Field and laboratory studies were conducted to determine the effects of pesticide mixtures on Chinook salmon under various environmental conditions in surface waters of the northern Central Valley ...


4. Concentrations of Polycyclic Aromatic Hydrocarbons (PAHs) and Major and Trace Elements in Simulated Rainfall Runoff From Parking Lots, Austin, Texas, 2003 [USGS_OFR_2004_1208]
Samples of creek bed sediment collected near seal-coated parking lots in Austin, Texas, by the City of Austin during 2001-02 had unusually elevated concentrations of polycyclic aromatic hydrocarbons ...


5. Contribution of Atmospheric Deposition to Pesticide Loads in Surface Water Runoff [USGS_OFR_2005_1307]
A 3.5-year study was conducted to determine the signifcance of atmospheric deposition to the pesticide concentrations in runoff. Both wet and dry atmospheric depostion were collected at six sites ...


6. Digital Data Sets Describing Water Use, Toxic Chemical Releases, Metropolitan Areas, and Population Density of the Conterminous United States [USGS_OFR_99-78_1.0]
This report contains digital data sets describing water use, toxic chemical releases, metropolitan areas, and population density of the conterminous United States. The data source for the water-use ...


7. Surface- and Ground-Water Monitoring and Mapping of Selected Features at the Blue Ridge Parkway Mt. Pisgah Campground, Haywood County, North Carolina, 2002 [USGS_OFR_2004_1073]
During 2002, a baseline study of hydrologic conditions was conducted, and selected features were mapped within the Mt. Pisgah campground on the Blue Ridge Parkway in Haywood County, North Carolina. ...


8. Water-quality Data from two Agricultural Drainage Basins in Northwestern Indiana and Northeastern Illinois: I. Lagrangian and Synoptic Data, 1999-2002 [USGS_OFR_2004_1317]
Methods of data collection and results of analyses are presented for Lagrangian and synoptic water-quality data collected from two agricultural drainages, the Iroquois River in northwestern Indiana ...


9. 1992 Water-Table Contours of the Mojave River Ground-Water Basin, San Bernardino County, California [USGS_cont1992]
This data set consists of digital water-table contours for the Mojave River Basin. The U.S. Geological Survey, in cooperation with the Mojave Water Agency, constructed a water-table map of the Mojave ...


10. 1994 Water-Table Contours of the Morongo Ground-Water Basin, San Bernardino County, California [USGS_cont1994]
This data set consists of digital water-table contours for the Morongo Basin. The U.S. Geological Survey constructed a water-table map of the Morongo ground-water basin for ground-water levels measured ...


11. 1996 Water-Table Contours of the Mojave River, the Morongo, and the Fort Irwin Ground-Water Basins, San Bernardino County, California [USGS_cont1996]
This data set consists of digital water-table contours for the Mojave River, the Morongo and the Fort Irwin Ground-Water Basins. The U.S. Geological Survey constructed a water-table map of the Mojave ...


12. Digital Data Sets Describing Principal Aquifers, Surficial Geology, and Ground-Water Regions of the Conterminous United States [USGS_OFR_99-77_1.0]
This report contains digital data sets describing principal aquifers, surficial geology, and ground-water regions of the conterminous United States. The data source for the principal aquifers and ...


13. Estimated Water Use in Puerto Rico, 2000 [USGS_OFR_2005_1201]
Water-use data were compiled for the 78 municipios of the Commonwealth of Puerto Rico for 2000. Five offstream categories were considered: public-supply water withdrawals, domestic self-supplied water ...


14. Estimates for Self-Supplied Domestic Withdrawals and Population Served, for Selected Principal Aquifers, Calendar Year 2005 [USGS_OFR_2010_1223]
The National Water-Quality Assessment Program of the U.S. Geological Survey has groundwater studies that focus on water-quality conditions in principal aquifers of the United States. The Program specifically ...


15. Flood of May 2006 in New Hampshire [USGS_OFR_2007_1122]
From May 13-17, 2006, central and southern New Hampshire experienced severe flooding caused by as much as 14 inches of rainfall in the region. As a result of the flood damage, a presidential disaster ...


16. Flooding of the Androscoggin River during December 18-19, 2003, in Canton, Maine [USGS_OFR_2005_1176]
The Androscoggin River flooded the town of Canton, Maine in December 2003, resulting in damage to and (or) evacuation of 44 homes. Streamflow records at the U.S. Geological Survey (USGS) streamflow-gaging ...


17. Ground-Water Quality in the Mohawk River Basin, New York, 2006 [USGS_OFR_2008_1086]
Water samples were collected from 27 wells from August through November 2006 to characterize ground-water quality in the Mohawk River Basin. The Mohawk River Basin covers 3,500 square miles in central ...


18. Raster dataset showing the probability of detecting atrazine/desethyl-atrazine in ground water in Colorado, hydrogeomorphic regions and atrazine use estimates included. [USGS_atra_hyd_use_1.0]
This dataset is one of eight datasets produced by this study. Four of the datasets predict the probability of detecting atrazine and(or) desethyl-atrazine (a breakdown product of atrazine) in ground ...


19. Raster dataset showing the probability of detecting atrazine/desethyl-atrazine in ground water in Colorado, hydrogeomorphic regions included and atrazine use estimates not included [USGS_atra_hyd_nuse_1.0]
This dataset is one of eight datasets produced by this study. Four of the datasets predict the probability of detecting atrazine and(or) desethyl-atrazine (a breakdown product of atrazine) in ground ...


20. Digital depth horizon compilations of the Alaskan North Slope and adjacent arctic regions [USGS_OFR_2003_230_1.1]
The Digital depth horizon compilations of the Alaskan North Slope and adjacent arctic regions file report contains data that has been digitized and combined to create four detailed depth horizon grids ...


21. Regional Geochemical Results from the Analyses of Rock, Soil, and Vegetation Samples-Big Delta B-2 Quadrangle, Alaska [USGS_OFR_2005_1431]
The USGS reports the chemical analyses for rocks, soil, soil water, and vegetation, collected from throughout the Big Delta B-2 quadrangle in east-central Alaska, for the period 1998-2002. This study ...


22. 2002 Volcanic Activity in Alaska and Kamchatka: Summary of Events and Response of the Alaska Volcano Observatory [USGS_OFR_2004_1058]
The Alaska Volcano Observatory (AVO) tracks activity at the more than 40 historically active volcanoes of the Aleutian Arc. As of December 31, 2002, 24 of these volcanoes are monitored with short-period ...


23. A 30-Year Record of Surface Mass Balance (1966-95) and Motion and Surface Altitude (1975-95) at Wolverine Glacier, Alaska [USGS_OFR_2004_1069]
Scientific measurements at Wolverine Glacier, on the Kenai Peninsula in south-central Alaska, began in April 1966. At three long-term sites in the research basin, the measurements included snow depth, ...


24. A Digital Geological Map Database For the State of Oklahoma [USGS_OFR_2003_247_1.0]
This report consists of a compilation of twelve digital geologic maps provided in ARC/INFO interchange (e00) format for the state of Oklahoma. The source maps consisted of nine USGS 1:250,000-scale ...


25. A Forest Vegetation Database for Western Oregon [USGS_OFR_2004_1249]
Data on forest vegetation in western Oregon were assembled for 2323 ecological survey plots. All data were from fixed-radius plots with the standardized design of the Current Vegetation Survey (CVS) ...


26. Acid-Rock Drainage at Skytop, Centre County, Pennsylvania, 2004 [USGS_OFR_2005_1148_1.0]
Recent construction for Interstate Highway 99 (I?99) exposed pyrite and associated Zn-Pb sulfide minerals beneath a >10-m thick gossan to oxidative weathering along a 40-60-m deep roadcut through ...


27. Aeromagnetic Survey of Dillingham Area in Southwest Alaska, A Website for the Preliminary Distribution of Data [USGS_OFR_2006_1136]
This is a USGS Open-File-Report for the preliminary release of aeromagnetic data collected in the Dillingham Area of Southwest Alaska and associated contractor reports. An airborne high-resolution ...


28. An Assessment of Volcanic Threat and Monitoring Capabilities in the United States: Framework for a National Volcano Early Warning System [USGS_OFR_2005_1164_1.0]
A National Volcano Early Warning System NVEWS is being formulated by the Consortium of U.S. Volcano Observatories (CUSVO) to establish a proactive, fully integrated, national-scale monitoring effort ...


29. Assessment and Management of Dead-Wood Habitat [USGS_OFR_2007_1054]
Dead wood has become an increasingly important conservation issue in managed forests, as awareness of its function in providing wildlife habitat and in basic ecological processes has dramatically ...


30. Assessment of Hazards Associated with the Bluegill Landslide, South-Central Idaho [USGS_OFR_2004_1054]
The Bluegill landslide, located in south-central Idaho, is part of a larger landslide complex that forms an area in the Salmon Falls Creek drainage named Sinking Canyon. The landslide is on public ...


31. Baseline Characteristics of Jordan Creek, Juneau, Alaska [USGS_OFR_2004_1220]
Anadromous fish populations historically have found healthy habitat in Jordan Creek, Juneau, Alaska. Concern regarding potential degradation to the habitat by urban development within the Mendenhall ...


32. Baseline and Historic Depositional Rates and Lead Concentrations, Floodplain Sediments, Lower Coeur d'Alene River, Idaho [USGS_OFR_2004_1211]
Lead-rich sediments, containing at least 1000 ppm of lead (Pb), and derived mainly from discarded mill tailings in the Coeur d'Alene mining region, cover about 60 km2 of the 80-km2 floor of the main ...


33. Bathymetry, Substrate and Circulation in Westcott Bay, San Juan Islands, Washington [USGS_OFR_2007_1305]
Nearshore bathymetry, substrate type, and circulation patterns in Westcott Bay, San Juan Islands, Washington, were mapped using two acoustic sonar systems, video and direct sampling of seafloor sediments. ...


34. Bedrock Geologic Map of the Port Wing, Solon Springs, and parts of the Duluth and Sandstone 30' X 60' Quadrangles, Wisconsin [USGS_OFR_2004_1303_1.0]
This Open-File Report provides digital data (shapefiles and .e00 files) for the bedrock geology in the Port Wing, Solon Springs, and parts of the Duluth and Sandstone quadrangles in Wisconsin. A ...


35. Bedrock Geology and Mineral Resources of the Knoxville 1 degree x 2 degree Quadrangle, Tennessee, North Carolina, and South Carolina (Digital Version) [USGS_OFR_2004_1075]
The following geographic information system (GIS) data layers provide a digital format for the map plate in Bulletin 1979 (Robinson et al., 1991), Bedrock Geology and Mineral Resources of the Knoxville ...


36. Binational Digital Soils Map of the Ambos Nogales Watershed, Southern Arizona and Northern Sonora, Mexico [USGS_OFR_2004_1335]
A digital map of soil parameters for the international Ambos Nogales watershed was prepared to use as input for selected soils-erosion models. The Ambos Nogales watershed in southern Arizona and ...


37. Catalog of Earthquake Hypocenters at Alaskan Volcanoes: January 1 through December 31, 2002 [USGS_OFR_2003_267]
The Alaska Volcano Observatory (AVO), a cooperative program of the U.S. Geological Survey, the Geophysical Institute of the University of Alaska Fairbanks, and the Alaska Division of Geological and ...


38. Catalog of Earthquake Hypocenters at Alaskan Volcanoes: January 1 through December 31, 2003 [USGS_OFR_2004_1234]
The Alaska Volcano Observatory (AVO), a cooperative program of the U.S. Geological Survey, the Geophysical Institute of the University of Alaska Fairbanks, and the Alaska Division of Geological and ...


39. Catalog of Mount St. Helens 2004 - 2005 Tephra Samples with Major- and Trace-Element Geochemistry [USGS_OFR_2008_1131_1.0]
This open-file report presents a catalog of information about 135 ash samples along with geochemical analyses of bulk ash, glass and individual mineral grains from tephra deposited as a result of ...


40. Catalog of Mount St. Helens 2004-2007 Dome Samples with Major- and Trace-element Chemistry [USGS_OFR_2008_1130_1.0]
Sampling and analysis of eruptive products at Mount St. Helens is an integral part of volcano monitoring efforts conducted by the U.S. Geological Survey's Cascades Volcano Observatory (CVO). The objective ...


41. Changes in Streamflow, Concentrations, and Loads in Selected Nontidal Basins in the Chesapeake Bay Watershed, 1985-2006 [USGS_OFR_2007_1372]
Water-quality and streamflow data from 34 sites in nontidal parts of the Chesapeake Bay watershed are presented to document annual nutrient and sediment loads and trends for 1985 through 2006, as ...


42. Channel-Morphology Data for the Tongue River and Selected Tributaries, Southeastern Montana, 2001-02 [USGS_OFR_2004_1260]
Coal-bed methane exploration and production have begun within the Tongue River watershed in southeastern Montana. The development of coal-bed methane requires production of large volumes of ground ...


43. Chemical Analysis Of Tertiary Volcanic Rocks, Central San Juan Caldera Complex, Southwestern Colorado [USGS_OFR_2004_1194_1.0]
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 ...


44. Chemistry of Stream Sediments and Surface Waters in New England [USGS_OFR_2004_1026]
This online publication portrays regional data for pH, alkalinity, and specific conductance for stream waters and a multi-element geochemical dataset for stream sediments collected in the New England ...


45. Climate Variation at Flagstaff, Arizona 1950 to 2007 [USGS_OFR_2007_1410]
Flagstaff is becoming warmer and drier. Estimated average-daily temperatures of the Flagstaff area are 2.3-degrees warmer since 1970 and annual precipitation at Flagstaff has been below average for ...


46. Coastal Change Rates and Patterns: Kaloko-Honokohau National Historical Park, Hawaii [USGS_OFR_2005_1069]
A collaborative project between the U.S. Geological Survey's Coastal and Marine Geology Program and the National Park Service (NPS) has been developed to create an inventory of geologic ...


47. Coastal Processes Study at Ocean Beach, San Francisco, CA: Summary of Data Collection 2004-2006 [USGS_OFR_2007_1217]
Ocean Beach in San Francisco, California, contains a persistent erosional section in the shadow of the San Francisco ebb tidal delta and south of Sloat Boulevard that threatens valuable public infrastructure ...


48. Coastal Vulnerability Assessment of Assateague Island National Seashore (ASIS) To Sea-Level Rise [USGS_OFR_2004_1020_1.0]
A coastal vulnerability index (CVI) was used to map relative vulnerability of the coast to future sea-level rise within Assateague Island National Seashore (ASIS) in Maryland and Virginia. The CVI ...


49. Coastal Vulnerability Assessment of Gulf Islands To Sea-Level Rise [USGS_OFR_2003_108_1.0]
A coastal vulnerability index (CVI) was used to map the relative vulnerability of the coast to future sea-level rise within Gulf Islands National Seashore (GUIS) in Mississippi and Florida. The CVI ...


50. Coastal Vulnerability Assessment of Olympic National Park To Sea-Level Rise [USGS_OFR_2004_1021_1.0]
A coastal vulnerability index (CVI) was used to map the relative vulnerability of the coast to future sea-level rise within Olympic National Park (OLYM), Washington. The CVI scores the following in ...


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