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638 Titles Match Your Query
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1. 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 ...


2. 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 ...


3. 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 ...


4. 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 ...


5. 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 ...


6. 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 ...


7. 2005 Hydrographic Survey of South San Francisco Bay, California [USGS_OFR_2007_1169]
An acoustic hydrographic survey of South San Francisco Bay (South Bay) was conducted in 2005. Over 20 million soundings were collected within an area of approximately 250 sq km (97 sq mi) of the bay ...


8. 3-D Reservoir Characterization of the House Creek Oil Field, Powder River Basin, Wyoming, V1.00 [USGS-DDS-33]
The Upper Cretaceous Sussex "B" sandstone was deposited as a probable transgressive-marine sand-ridge complex in a mid-shelf position. The "B" sandstone is bounded by upper and basal disconformities ...


9. 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 ...


10. 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, ...


11. 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 ...


12. 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 ...


13. 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 ...


14. 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) ...


15. A Geologic Map of the Sea Floor in Western Massachusetts Bay, Constructed from Digital Sidescan-Sonar Images, Photography, and Sediment Samples [USGS-DDS-3]
This data set describes sea floor characteristics for the Western Massachusetts Bay. This data set was created using sidescan-sonar imagery, photography, and sediment samples.


16. A High-Resolution Land-Use Map - Nogales, Sonora, Mexico [USGS_OFR_2010_1156]
The cities of Nogales, Sonora, and Nogales, Arizona, are located in the Ambos Nogales Watershed, a topographically irregular bowl-shaped area with a northward gradient. Throughout history, residents ...


17. Acid Deposition Sensitivity of the Southern Appalachian Assessment Area [USGS_OFR_Acid_Deposition]
The Acid Deposition Sensitivity of the Southern Appalachian Assessment Area is a project that studies areas having various susceptibilities to acid deposition from air pollution which are designated ...


18. 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 ...


19. Aeromagnetic Map of the Death Valley Ground-water Model Area, Nevada and California [USGS_Map_MF-2381-D]
An aeromagnetic map of the Death Valley groundwater model area was prepared from published aeromagnetic surveys as part of an interagency effort by the U.S. Geological Survey and the U.S. Department ...


20. 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 ...


21. Aeromagnetic Survey of Taylor Mountains Area in Southwest Alaska, A Website for the Distribution of Data [USGS_DS_2006_224]
An airborne high-resolution magnetic and coincidental horizontal magnetic graviometer survey was completed over the Taylor Mountains area in southwest Alaska. The flying was undertaken by McPhar Geosurveys ...


22. Aeromagnetic data centered over Skelton Neve, Antarctica: A Web Site for Distribution of Data and Maps (on-line edition) [Skelton_Aeromag_Data]
The Transantarctic Mountains (TAM) rift-flank uplift has developed along the ancestral margin of the East Antarctic craton, and forms the boundary between the craton and the thinned lithosphere of ...


23. 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 ...


24. Aquatic Ecoregions in the United States GIS Data for the EPA Clean Air Mapping and Analysis Program (C-MAP) [AQUAECO]
Ecoregions are based on perceived patterns of a combination of causal and integrative factors including land use, land surface form, potential natural vegetation, and soils (Omernik, 1987). This is ...


25. Archive of Boomer Subbottom Data Collected During USGS Cruise ATSV 99044 Myrtle Beach, South Carolina, 29 October - 12 November, 1999 [USGS_OFR_00153]
In November 1999, the U. S. Geological Survey, in cooperation with Coastal Carolina University, began a program to produce geologic maps of the nearshore regime off northern South Carolina, utilizing ...


26. Archive of Boomer Subbottom Data Collected During USGS Cruise DIAN 96040, Long Island, NY Inner Shelf -- Fire Island, NY 4-24 September, 1996, USGS/OFR 00-467 [USGS_OFR00-467]
In 1995, the USGS Woods Hole Field Center in Cooperation with the U.S. Army Corps of Engineers, began a program designed to map the seafloor offshore of the New York-New Jersey metropolitan area; ...


27. Archive of Boomer Subbottom Data Collected During USGS Cruise MGNM 00014, Central South Carolina, 13-30 March, 2000, USGS, OFR 00-463 [USGS_OFR00-463]
In November 1999, the U. S. Geological Survey, in cooperation with Coastal Carolina University, began a program to produce geologic maps of the nearshore regime off northern South Carolina, utilizing ...


28. Archive of Boomer and Sparker Subbottom Data Collected During USGS Cruise DIAN 97011, Long Island, NY Inner Shelf -- Fire Island, New York, 5-26 May, 1997 [USGS_OFR_00241]
In 1995, the USGS Woods Hole Field Center in Cooperation with the U.S. Army Corps of Engineers, began a program designed to map the seafloor offshore of the New York-New Jersey metropolitan area; ...


29. Archive of Boomer and Sparker Subbottom Data Collected During USGS Cruise DIAN 97032 Long Island, NY, Inner Shelf-Fire Island, NY, September 24-October 19, 1997 [USGS_OFR_00142]
This project will generate reconnaissance maps of the sea floor offshore of the New York - New Jersey metropolitan area -- the most heavily populated, and one of the most impacted coastal regions ...


30. Archive of Chirp Data Collected During USGS Cruise DIAN 97011 Long Island, NY Inner Shelf -- Fire Island, 5-26 May, 1997 [USGS_OFR_00242]
In 1995, the USGS Woods Hole Field Center in Cooperation with the U.S. Army Corps of Engineers, began a program designed to map the seafloor offshore of the New York-New Jersey metropolitan area; ...


31. Archive of Chirp Data Collected During USGS Cruise DIAN 97011 Long Island, NY Inner Shelf -- Fire Island, 5-26 May, 1997, USGS OFR 00-306 [USGS_OFR_00366]
In 1995, the USGS Woods Hole Field Center, in cooperation with the U.S. Army Corps of Engineers, began a program designed to map the seafloor offshore of the New York-New Jersey metropolitan area; ...


32. Archive of Chirp Subbottom Data Collected During USGS Cruise ATSV 99044 Myrtle Beach, South Carolina, 29 October - 12 November, 1999, USGS OFR 00-40 [USGS_OFR_0040]
In November 1999, the U. S. Geological Survey, in cooperation with Coastal Carolina University, began a program to produce geologic maps of the nearshore regime off northern South Carolina, utilizing ...


33. Archive of Chirp Subbottom Data Collected During USGS Cruise DIAN 97032, Long Island, NY Inner Shelf -- Fire Island, NY, 25 September-19 October, 1997 [USGS_OFR_00152]
This project will generate reconnaissance maps of the sea floor offshore of the New York - New Jersey metropolitan area -- the most heavily populated, and one of the most impacted coastal regions ...


34. Archive of Chirp Subbottom Data Collected During USGS Cruise MGNM 00014, Central South Carolina, 13-30 March, 2000, USGS/OFR 00-462 [USGS_OFR00-462]
In November 1999, the U. S. Geological Survey, in cooperation with Coastal Carolina University, began a program to produce geologic maps of the nearshore regime off northern South Carolina, utilizing ...


35. Archive of Chirp Subbottom Data Collected During USGS Cruise MGNM 99023, Southern Long Island, NY Inner Shelf and Hudsen Shelf Valley, 26-31 July, 1999 [USGS_OFR_00273]
In 1995, the USGS Woods Hole Field Center, in Cooperation with the U.S. Army Corps of Engineers, began a program designed to map the seafloor offshore of the New York-New Jersey metropolitan area, ...


36. Archive of Digital Boomer Seismic Reflection Data Collected During USGS Cruise 97CCT01 Offshore of Central South Carolina, June 1997 [USGS_DS_2006_203]
In June of 1997, the U.S. Geological Survey, in cooperation with Coastal Carolina University, conducted a geophysical survey of the shallow geologic framework of the continental shelf offshore of ...


37. Archive of Digital Boomer Seismic Reflection Data Collected During USGS Field Activity 04SGI01 in the Withlacoochee River of West-Central Florida, March 2004 [USGS_DS_2007_119]
In March of 2004, the U.S. Geological Survey conducted a geophysical survey in the Withlacoochee River of west-central Florida. This report serves as an archive of unprocessed digital boomer seismic ...


38. Archive of Digital CHIRP Seismic Reflection Data Collected During USGS Cruise 06FSH01 Offshore of Siesta Key, Florida, May 2006 [USGS_DS_2007_254]
In May of 2006, the U.S. Geological Survey conducted geophysical surveys offshore of Siesta Key, Florida. This report serves as an archive of unprocessed digital chirp seismic reflection data, trackline ...


39. Archive of Digital Chirp Seismic Reflection Data Collected During USGS Cruise 05SCC01 Offshore of Port Fourchon and Timbalier Bay, Louisiana, August 2005 [USGS_DS_2007_242]
In August of 2005, the U.S. Geological Survey conducted geophysical surveys offshore of Port Fourchon and Timbalier Bay, Louisiana, and in nearby waterbodies. This report serves as an archive of unprocessed ...


40. Archive of Sidescan-Sonar Data and DGPS Navigation Data Collected During USGS Cruise ATSV 99045 North Carolina Coast, NC, 7-27 October, 1999 [USGS_OFR_00177]
In 1999, the USGS began developing a cooperative mapping program in North Carolina, with collaborators at the North Carolina Geological Survey (NCGS), and academic institutions. The goal of the program ...


41. Archive of Sparker Subbottom Data Collected During USGS Cruise ALPH 98013, New York, 10-22 September, 1997 [USGS_OFR_99_436]
This project will generate reconnaissance maps of the sea floor offshore of the New York - New Jersey metropolitan area -- the most heavily populated, and one of the most impacted coastal regions ...


42. Archive of Water Gun Subbottom Data Collected During USGS Cruise SEAX 95007 New York Bight, 7-25 May, 1995 [USGS_OFR01-157]
Beginning in 1995, the USGS, in cooperation with the U.S Army Corps of Engineers (USACE), New York District, began a program to generate reconnaissance maps of the sea floor offshore of the New York-New ...


43. Archive of Water Gun Subbottom Data Collected During USGS Cruise SEAX 96004, New York Bight, 1 May - 9 June, 1996, USGS OFR 00-396 [USGS_OFR_00396]
Beginning in 1995, the USGS, in cooperation with the U.S Army Corps of Engineers (USACE), New York District, began a program to generate reconnaissance maps of the sea floor offshore of the New York-New ...


44. Arctic National Wildlife Refuge, 1002 Area, Petroleum Assessment, 1998 CD-ROM [ANWR_PET_ASSES_1998]
The following was abstracted from the USGS home page at "http://pubs.usgs.gov/fs/fs-0028-01/" The Alaska National Interest Lands Conservation Act (1980) established the Arctic National Wildlife Refuge ...


45. Arsenic in ground water of the United States [USGS_ARSENIC_H2O]
[From Arsenic in ground water of the United States, "http://water.usgs.gov/nawqa/trace/arsenic/" Arsenic is a naturally occurring element in the environment. Arsenic in ground water is largely the ...


46. Assessment of the Alluvial Sediments in the Big Thompson River Valley, Colorado [USGS-DDS-066]
To obtain subsurface geologic information about the alluvium in the Big Thompson River valley, S -wave refraction data were collected along three roads that cross the valley. The traveltimes were ...


47. Assessment of the Alluvial Sediments in the Big Thompson River Valley, Colorado - USGS_DDS-66 [USGS_DDS-66]
To obtain subsurface geologic information about the alluvium in the Big Thompson River Valley, S-wave refraction data were collected along three roads that cross the valley. The refraction data were ...


48. Atlas of Relations Between Climatic Parameters and Distributions of Important Trees and Shrubs in North America [USGS_P1650-a]
This atlas explores the continental-scale relations between the geographic ranges of woody plant species and climate in North America. A 25-km equal-area grid of modern climatic and bioclimatic parameters ...


49. Base-Flow Yields of Watersheds in the Berkeley County Area, West Virginia [USGS_DS_2006_216]
Base-flow yields at approximately 50 percent of the annual mean ground-water recharge rate were estimated for watersheds in the Berkeley County area, W.Va. These base-flow yields were determined from ...


50. 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 ...


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