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94 Titles Match Your Query
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1. 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]
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 ...


2. 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 ...


3. 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 ...


4. 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 ...


5. Molokai Benthic Habitat Mapping [USGS_OFR_2005_1070]
The detailed high-resolution map layer provided here documents habitat characterization of a critical coral reef in Hawai'i. Integration of the aerial imagery, SHOALS bathymetry, and field observations ...


6. Porphyry Copper Deposits of the World: Database, Map, and Grade and Tonnage Models [USGS_OFR_2005_1060]
Mineral deposit models are important in exploration planning and quantitative resource assessments for two reasons: (1) grades and tonnages among deposit types are significantly different, and (2) ...


7. Potentiometric Surface of the Upper Floridan Aquifer in the Coastal Area of Georgia, September 2000 [USGS_OFR_2005_1030]
The Upper Floridan aquifer is part of the Floridan aquifer system that underlies most of the Coastal Plain of Georgia, southern South Carolina, extreme southeastern Alabama, and all of Florida (Miller, ...


8. Preliminary Geologic Map of the Big Bear City 7.5' Quadrangle, San Bernardino County, California [USGS_OFR_2004_1193]
This report contains a digital geologic map database for the Big Bear City 7.5' quadrangle that includes: 1. ARC/INFO version 8.1 (service pack 1) geospatial coverages (in interchange file format ...


9. Preliminary Geologic Map of the Los Angeles 30' x 60' Quadrangle, Southern California [USGS_OFR_2005_1019]
The Los Angeles 30' x 60' quadrangle covers approximately 5,000 km2 including much of the densely populated urban and suburban areas of the southern California megalopolis. The quadrangle is about ...


10. Preliminary Grid Data and Maps for an Aeromagnetic Survey of the Taylor Mountains Quadrangle and a Portion of the Bethel quadrangle, Alaska [USGS_OFR_2004_1293]
A preliminary data grid and maps are presented for an aeromagnetic survey of the Taylor Mountains and a portion of the Bethel quadrangles, Alaska. The aeromagnetic survey was flown by McPhar Geosurveys ...


11. Preliminary Integrated Geologic Map Databases for the United States -Kodiak Islands, Alaska [USGS_OFR_2005_1340]
The 1:500,000-scale reconnaissance geologic map of the Kodiak Islands, Alaska covers more than 4,800 square miles (12,500 square kilometers) of south central Alaska. The Kodiak Islands are located ...


12. Preliminary Physical Stratigraphy and Geophysical Data of the USGS Hope Plantation Core (BE-110), Bertie County, North Carolina [USGS_OFR_2007_1251]
In March and April, 2004, the U.S. Geological Survey (USGS), in cooperation with the North Carolina Geological Survey (NCGS) and the Raleigh Water Resources Discipline (WRD), drilled a stratigraphic ...


13. Quaternary Stratigraphy and Tectonics, and Late Prehistoric Agriculture of the Safford Basin (Gila and San Simon River Valleys), Graham County, Arizona [USGS_OFR_2004_1062]
This guidebook accompanied the 46th annual meeting of the Rocky Mountain Cell of the Friends of the Pleistocene (FOP) and the 2002 Fall Field Trip of the Arizona Geological Society. The meeting and ...


14. Modified Mercalli Intensity Maps for the 1906 San Francisco Earthquake Plotted in ShakeMap Format [USGS_OFR_2005_1135]   PARENT METADATA
This website presents Modified Mercalli Intensity maps for the great San Francisco earthquake of April 18, 1906. These new maps combine two important developments. First, we have re-evaluated and ...


15. New Jersey Aeromagnetic and Gravity Maps and Data [USGS_OFR_2003_080]
Aeromagnetic anomalies are due to variations in the Earth's magnetic field caused by the uneven distribution of magnetic minerals (primarily magnetite) in the rocks that make up the upper part of ...


16. Non-navigational Gridded Bathymetry Data Washington-Oregon Coast: 1926-1998, USGS OFR 00-448 [USGS_OFR_00448]
Sixteen digital bathymetric surface models (grids) of the seafloor off the coast of Washington and Oregon were created for wave modeling experiments along the coast of Washington. Surfaces were created ...


17. Northwestern Panhandle of Florida Coastal Classification Maps - St. Andrew Bay Entrance Channel to Perdido Pass [USGS_OFR_2004_1217]
One purpose of the USGS National Assessment of Coastal Change Project is to provide accurate representations of pre-storm ground conditions for areas that are designated high-priority because they ...


18. Radiocarbon Dating of Cores Collected from Bear Lake, Utah and Idaho [USGS_OFR_2005_1320]
The overall goal of our research on Bear Lake is to obtain records of past climate change for the region, including changes in precipitation (rain and snow) patterns during the last 10,000 years and ...


19. Radon in Soils of Parts of Cameron, Hidalgo, and Willacy Counties, Texas [USGS_OFR_2005_1423]
This study looks at part of the southern Rio Grande Valley where all of the counties are ranked by USEPA as zone 3. The study area (see index map) includes parts of Cameron, Hidalgo, and Willacy Counites ...


20. Rock-Fall Hazard Assessment of Little Mill Campground, American Fork Canyon, Uinta National Forest, Utah [USGS_OFR_2005_1229]
In July 2004, at the request of Pam Gardner, District Ranger for the Pleasant Grove District of the Uinta National Forest, Ed Harp of the U.S. Geological Survey (USGS) conducted a preliminary assessment ...


21. Sedimentary Fabrics of Stratified Slope Deposits at a Site near Hoover's Camp, Shenandoah National Park, Virginia [USGS_OFR_2004-1059]
An outcrop of stratified slope deposits in Shenandoah National Park is described in detail. The Pleistocene age deposits are comprised of a mixture of clay to cobbles defining a series of offlapping ...


22. Seismic reflection and refraction data acquired in Canada Basin, Northwind Ridge and Northwind Basin, Arctic Ocean in 1988, 1992 and 1993 [USGS_OFR_2004_1243]
Seismic reflection and refraction data were collected in generally ice-covered waters of the Canada Basin and the eastern part of the Chukchi Continental Borderland of the Amerasia Basin, Arctic Ocean, ...


23. Seismotectonic Map of Afghanistan [USGS_OFR_2005_1264]
A seismotectonic map shows geologic, seismological, and other information that is pertinent to seismic hazards but previously was scattered among many sources. Afghanistan is part of the Eurasian ...


24. Seven Aeromagnetic Surveys in California and Nevada: A Web Site for Distribution of Data [USGS_OFR_2005_1328]
This web site contains digital data files and descriptions of aeromagnetic data collected in California and Nevada through contracts for the U.S. Geological Survey between 1996 and 2002. The survey ...


25. Site-Specific Soil-Carbon (S3C) Database for Mineral Soils of the Mississippi River Basin, USA [USGS_OFR_2004_1227]
The S3C database is a pedon[1]-based, site-specific, soil-organic-carbon (SOC) database for mineral soils of the Mississippi River basin. The included soil-carbon and related ancillary data are for ...


26. South Texas Coastal Classification Maps - Mansfield Channel to the Rio Grande [USGS_OFR_2006_1133]
The primary purpose of the USGS National Assessment of Coastal Change Project is to provide accurate representations of pre-storm ground conditions for areas that are designated high priority because ...


27. Southeastern Louisiana Coastal Classification Maps - Pass Abel to East Timbalier Island [USGS_OFR_2005_1003]
This data set describes a Coastal Classification Map that extends from Pass Abel to East Timbalier Island. One purpose of the USGS National Assessment of Coastal Change Project is to provide accurate ...


28. Spatial Digital Database for the Geologic Map of Nevada [USGS_OFR_2003_66]
This report publishes a geologic digital spatial database (nvgeo) representing the geologic map of Nevada (Stewart and Carlson, 1978a). The original paper map was printed as a single sheet at a scale ...


29. Spatial Trends in Ash Yield, Sulfur, Selenium, and Other Selected Trace Element Concentrations in Coal Beds of the Appalachian Plateau Region, U.S.A. [USGS_OFR_2005_1330]
Land disturbances sometimes contribute to relative increases in deleterious substances in streams. Acid drainage in response to coal mining in certain regions of the Appalachian Plateau is one well ...


30. Stratigraphy of Lacustrine Sediments Cored in 1996, Bear Lake, Utah and Idaho [USGS_OFR_2005_1288]
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 ...


31. Streamflow and Nutrient Fluxes of the Mississippi-Atchafalaya River Basin and Subbasins for the Period of Record Through 2005 [USGS_OFR_2007_1080]
The U.S. Geological Survey has monitored streamflow and water quality systematically in the Mississippi-Atchafalaya River Basin (MARB) for more than five decades. This report provides streamflow and ...


32. 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. ...


33. Surficial Sediment Data from the Gulf of Maine, Georges Bank, and Vicinity: A GIS Compilation [USGS_OFR_2003_001]
The Coastal and Marine Geology Program of the U.S. Geological Survey, in cooperation with the University of Maine, University of New Hampshire, Boston University, and Bigelow Laboratory for Ocean ...


34. Texture, Carbonate Content, and Preliminary Maps of Surficial Sediments of the Flower Garden Banks Area, Northwestern Gulf of Mexico Outer Shelf [USGS_OFR_2003_002]
The purpose of this report is to release texture and carbonate content data from 107 seafloor sediments collected within and near the East and West Flower Garden Banks areas of the Flower Garden Banks ...


35. The Blackwater NWR Inundation Model. Rising Sea Level on a Low-lying Coast: Land Use Planning for Wetlands [USGS_OFR_2004_1302]
The Blackwater National Wildlife Refuge (BNWR), on the Eastern Shore of Chesapeake Bay (figure 1), occupies an area less than 1 meter above sea level. The Refuge has been featured prominently in studies ...


36. The Distribution of Submersed Aquatic Vegetation in the Fresh and Oligohaline Tidal Potomac River, 2004 [USGS_OFR_2007_1198]
Submersed aquatic vegetation (SAV) is a critical component of the Potomac River ecosystem. Though SAV provides important habitat for fauna and stabilizes bottom sediment, very dense beds may restrict ...


37. The Gulf of the Farallones: Sidescan-Sonar Imagery [USGS_OFR_2004_1082]
In 1989, the U.S. Geological Survey (USGS) began a major geologic and oceanographic investigation of the Gulf of the Farallones National Marine Sanctuary continental shelf system, designed to evaluate ...


38. The National Assessment of Shoreline Change: A GIS Compilation of Vector Shorelines and Associated Shoreline Change Data for the U.S. Gulf of Mexico [USGS_OFR_2004_1089]
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 ...


39. Topobathymetric Data for Tampa Bay, Florida [USGS_OFR_2007_1051]
Topobathymetric data (a "topobathy") are a merged rendering of both topography (land elevation) and bathymetry (water depth) to provide a single product useful for inundation mapping and a variety ...


40. Water-Quality Data, Huron County, Michigan 2004 [USGS_OFR_2005_1380]
The U.S. Geological Survey (USGS) conducted a survey of water quality and quantity in Huron County, Michigan from 1988-1990 (Sweat, 1992). In that study atrazine, a widely-used agricultural herbicide ...


41. Whole Rock Geochemical Data For Altered And Mineralized Rocks, Red Dog Zn-Pb-Ag District, Western Brooks Range, Alaska [USGS_OFR_2004_1372]
This report presents geochemical analyses for 220 mostly altered and mineralized rock samples from the Red Dog Zn-Pb-Ag district in the western Brooks Range of northern Alaska. These data form the ...


42. Whole Rock Geochemical Data For Paleozoic Sedimentary Rocks of the Western Brooks Brooks Range, Alaska [USGS_OFR_2004_1371]
This report presents geochemical analyses for 210 unaltered and unmineralized rock samples of Paleozoic age in the western Brooks Range of northern Alaska. These data form the basis for a study by ...


43. 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 ...


44. 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 ...


45. 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 ...


46. 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 ...


47. 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 ...


48. 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 ...


49. 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 ...


50. 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 ...


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