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151 Titles Match Your Query
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1. Geologic Map of the Valjean Hills 7.5' Quadrangle, San Bernardino County, California [USGS_OFR_2003_096]
This data set maps and describes the geology of the Valjean Hills 7.5' quadrangle, San Bernardino County, California.


2. Databases and Simplified Geology for Mineralized Areas, Claims, Mines and Prospects in Colorado [USGS_OFR_2003_090]
This data release contains mineral resource data for metallic and nonmetallic mineral sites in the State of Colorado. Along with the resource data, there is additional data, such as mineralized areas ...


3. Digital depth horizon compilations of the Alaskan North Slope and adjacent arctic regions [USGS_OFR_2003_230]
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 ...


4. 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 ...


5. 500,000 Year-old Stable Isotopic Record from Devils Hole, USGS OFR-97-792 [USGS_OFR-97-792]
Devils Hole is a tectonically formed cave developed in the discharge zone of a regional aquifer in south-central Nevada. (See Riggs, et al., 1994.) The walls of this subaqueous cavern are coated with ...


6. A Compilation of Sulfur Dioxide and Carbon Dioxide Emission-Rate Data from Mount St. Helens during 1980-88 USGS Open File Report 94-212 [OFR_94-212]
Airborne monitoring of Mount St. Helens by the USGS began in May 1980 for sulfur dioxide emissions and in July 1980 for carbon dioxide emissions. A correlation spectrometer, or COSPEC, was used to ...


7. A Compilation of Sulphur Dioxide and Carbon Dioxide Emission-Rate Data from Cook Inlet Volcanoes, Alaska During the Period from 1990 to 1994 [OFR_95-55]
This report contains all of the available daily sulfur dioxide and carbon dioxide emission rates from Cook Inlet volcanoes as determined by the U.S. Geological Survey (USGS) from March 1990 through ...


8. A Digital Geological Map Database For the State of Oklahoma [USGS_OFR_2003_247]
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 ...


9. Acid-Rock Drainage at Skytop, Centre County, Pennsylvania, 2004 [USGS_OFR_2005_1148]
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 ...


10. An Assessment of Volcanic Threat and Monitoring Capabilities in the United States: Framework for a National Volcano Early Warning System [USGS_OFR_2005_1164]
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 ...


11. 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 ...


12. 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 ...


13. 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 ...


14. Bedrock Geologic Map of the Hubbard Brook Experimental Forest, Grafton County, New Hampshire, USGS/OFR 00-45 [USGS_OFR00-45]
Our mapping study was funded by the USGS Toxic Substances Hydrology Program and was undertaken for the following reasons: 1) to ascertain whether the area might have a greater number of mappable lithologic ...


15. 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 ...


16. 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 ...


17. Biogenic Silica Measurements in Cores Collected from Bear Lake, Utah and Idaho [USGS_OFR_2005_1319]
The overall goal of our research on Bear Lake is to create records of past climate change for the region, including changes in precipitation (rain and snow) patterns during the last 10,000 years and ...


18. Catalog of Significant Historical Earthquakes in the Central United States [USGS_OFR_2004_1086]
The Catalog of Significant Historical Earthquakes in the Central United States use Modified Mercalli intensity assignments to estimate source locations and moment magnitude M for eighteen 19th-century ...


19. 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 ...


20. 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 ...


21. Chemical Analysis Of Tertiary Volcanic Rocks, Central San Juan Caldera Complex, Southwestern Colorado [USGS_OFR_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 ...


22. 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 ...


23. Coal Geology, Land Use, and Human Health in the Peoples Republic of China [USGS_OFR01-318]   CHILD METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of major coal mines and their production in China. This data set will be utilized in energy research ...


24. Coal Geology, Land Use, and Human Health in the Peoples Republic of China: Coal Mine Locations [USGS_OFR01-318coal_mines]   PARENT METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of major coal mines and their production in China. This data set will be utilized in energy research ...


25. Coal Geology, Land Use, and Human Health in the Peoples Republic of China: Power line locations [USGS_OFR01-318_power_lines]   PARENT METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of the electrical power line network in China. This data set will be utilized in energy research ...


26. Coal Geology, Land Use, and Human Health in the Peoples Republic of China: Power station locations [USGS_OFR01-318_power_stations]   PARENT METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of electrical power stations in China. This data set will be utilized in energy research and ...


27. Coal Geology, Land Use, and Human Health in the Peoples Republic of China: Prevalence of Endemic Fluorosis [USGS_OFR01-318_fluorosis]   PARENT METADATA
To describe areal extents and rates of endemic flourosis in China. This dataset will be used to provide support for the assessment and analysis of coal quality and potential inventories ...


28. Coal Geology, Land Use, and Human Health in the Peoples Republic of China: Sources of Fluorosis Pollution [USGS_OFR01-318_fl_pollution]   PARENT METADATA
To describe areal extents of environmental pollution sources of fluorosis affected areas in China. This dataset will be used to provide support for the assessment and analysis of coal ...


29. Coal-Bearing Regions and Structural Sedimentary Basins of China and Adjacent Seas [USGS_OFR0047]   CHILD METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of coal-bearing regions in China. This data set will be utilized in energy research and ...


30. Coal-Bearing Regions and Structural Sedimentary Basins of China and Adjacent Seas: Coal field locations [USGS_OFR0047_coal_type]   PARENT METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of coal fields in China. This data set will be utilized in energy research and cartographic projects. This ...


31. Coal-Bearing Regions and Structural Sedimentary Basins of China and Adjacent Seas: Coal-bearing regions, USGS OFR 00-47 [USGS_OFR0047_coal_bearing]   PARENT METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of coal-bearing regions in China. This data set will be utilized in energy research and cartographic projects. ...


32. Coal-Bearing Regions and Structural Sedimentary Basins of China and Adjacent Seas: Energy commodities [USGS_OFR0047_commodities]   PARENT METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of commodities in China. This data set will be utilized in energy research and cartographic projects. This ...


33. Coal-Bearing Regions and Structural Sedimentary Basins of China and Adjacent Seas: Major coal mine locations [USGS_OFR0047_mines]   PARENT METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of major coal mines and their production in China. This data set will be utilized in energy research and cartographic ...


34. Coal-Bearing Regions and Structural Sedimentary Basins of China and Adjacent Seas: Structural sedimentary basins [USGS_OFR0047_sed_basins]   PARENT METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of structural sedimentary basins in China. This data set will be utilized in energy research and cartographic ...


35. Coastal Circulation and Sediment Dynamics Along West Maui, Hawaii [USGS_OFR_2004_1287]
High-resolution measurements of currents, temperature, salinity and turbidity were made over the course of three months off West Maui in the summer and early fall of 2003 to better understand coastal ...


36. Coastal Vulnerability Assessment of Assateague Island National Seashore (ASIS) To Sea-Level Rise [USGS_OFR_2004_1020]
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 ...


37. Coastal Vulnerability Assessment of Gulf Islands To Sea-Level Rise [USGS_OFR_2003_108]
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 ...


38. Coastal Vulnerability Assessment of Olympic National Park To Sea-Level Rise [USGS_OFR_2004_1021]
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 ...


39. Color Shaded Relief Map of the Conterminous United States [USGS_OFR_99-11]
The color shaded relief map of the conterminous U.S. was created from 15 arc-second digital elevation model (DEM) data. The data set traces its origins back to the early 1960's when .01 inch scans ...


40. Compressional and Shear Wave Velocity Versus Depth in the San Francisco Bay Area, California: Rules for USGS Bay Area Velocity Model 05.0.0 [USGS_OFR_2005_1317]
This report summarizes and documents empirical compressional wave velocity (Vp) versus depth relationships for several important rock types in northern California used in constructing the new USGS ...


41. Concentrations of Metals in Aquatic Invertebrates from the Ozark National Scenic Riverways, Missouri [USGS_OFR_2007_1435]
This report summarizes the findings of a study conducted as a pilot for part of a park-wide monitoring program being developed for the Ozark National Scenic Riverways (ONSR) of southeastern Missouri. ...


42. Concentrations of Nutrients, Pesticides, and Suspended Sediment in the Karst Terrane of the Sinking Creek Basin, Kentucky, 2004 [USGS_OFR_2006_1091]
Water samples were collected in streams and springs in the karst terrane of the Sinking Creek Basin in 2004 as part of study in cooperation with the Kentucky Department of Agriculture. A total of ...


43. 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 ...


44. Databases and Simplified Geology for Mineralized Areas, Claims, Mines, and Prospects in Wyoming [USGS_OFR_2001_0497]
This data release contains mineral resource data for metallic and nonmetallic mineral sites in the State of Wyoming. Along with resource data is additional data, such as mineralized areas and mining ...


45. Debris Flows and Record Floods from Extreme Mesoscale Convective Thunderstorms over the Santa Catalina Mountains, Arizona [USGS_OFR_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. ...


46. Desert Landforms and Surface Processes in the Mojave National Preserve and Vicinity [USGS_OFR_2004_1007]
Landscape features in the Mojave National Preserve are a product of ongoing processes involving tectonic forces, weathering, and erosion. Long-term climatic cycles (wet and dry periods) have left ...


47. Development of a Land Use Database for the Little Blackwater Watershed, Dorchester County, Maryland [USGS_OFR_2007_1309]
Many agricultural and forested areas in proximity to National Wildlife Refuges (NWR) are under increasing economic pressure to develop lands for commercial or residential development. The upper portion ...


48. Development of an Impervious-Surface Database for the Little Blackwater River Watershed, Dorchester County, Maryland [USGS_OFR_2007_1308]
Many agricultural and forested areas in proximity to National Wildlife Refuges (NWR) are under increasing economic pressure for commercial or residential development. The upper portion of the Little ...


49. Digital Engineering Aspects of Karst Map [USGS_OFR_2004_1352]
These data are digital facsimiles of the original 1984 Engineering Aspects of Karst map by Davies and others. This data set was converted from a printed map to a digital GIS coverage to provide users ...


50. Digital Shaded-Relief Map of Venezuela [USGS_OFR_2004_1322]   PARENT METADATA
The Digital Shaded-Relief Map of Venezuela is a composite of more than 20 tiles of 90 meter (3 arc second) pixel resolution elevation data, captured during the Shuttle Radar Topography Mission (SRTM) ...


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