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1. 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 ...


2. SMEX05 Landsat Thematic Mapper GEOTIFF Imagery: Iowa [NSIDC-0458]
This data set provides imagery developed from Landsat 5 Thematic Mapper (TM) data for use in studying land cover features. Data are provided in Georeferenced Tagged Image File Format (GeoTIFF). Each ...


3. Topobathy Index [USGS_topobathy]
This data set provides an index of data sets that are hybrid elevation models created from USGS topography and NOAA bathymetric data.


4. 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 ...


5. 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 ...


6. Preliminary maps of Quaternary deposits and liquefaction susceptibility, nine-county San Francisco Bay region, California: a digital database, USGS OFR 00-444 [USGS_OFR_00444]
Map delineation of the different types and ages of Quaternary deposits supports evaluation of susceptibility to liquefaction, the immediate application of the work, but serves many other purposes ...


7. 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 ...


8. 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; ...


9. 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; ...


10. 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; ...


11. 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 ...


12. 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, ...


13. 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 ...


14. Digital Geologic Map of the Butler Peak 7.5' Quadrangle, San Bernardino County, California [USGS_OFR_00145]
The data set for the Butler Peak quadrangle has been prepared by the Southern California Areal Mapping Project (SCAMP), a cooperative project sponsored jointly by the U.S. Geological Survey and the ...


15. Geologic Map Database of the El Mirage Lake Area, San Bernardino and Los Angeles Counties, California [USGS_OFR_00222]
This geologic map database for the El Mirage Lake area describes geologic materials for the dry lake, parts of the adjacent Shadow Mountains and Adobe Mountain, and much of the piedmont extending ...


16. Geologic Map and Digital Database of the Cougar Buttes 7.5' Quadrangle, San Bernardino County, California [USGS_OFR_00175]
The data set for the Cougar Buttes quadrangle has been prepared by the Southern California Areal Mapping Project (SCAMP), a cooperative project sponsored jointly by the U.S. Geological Survey and ...


17. Geologic map and database of the Salem East and Turner 7.5 minute quandrangles, Marion County, Oregon: A digital database, USGS OFR 00-351 [USGS_OFR_00351]
This database and accompanying plot files depict the distribution of geologic materials and structures at a regional (1:24,000) scale. The report is intended to provide geologic information for the ...


18. Principal Facts for Gravity Stations in the Vicinity of San Bernardino, Southern California [USGS_OFR_00193]
The purpose of the survey was to locate more precisely and characterize the Rialto-Colton fault, a strand in the San Jacinto fault zone. The information developed during this study will be used in ...


19. Processed Thematic Mapper Satellite Imagery for Selected Areas Within the U.S.-Mexico Borderlands, USGS OFR 00-309 [USGS_OFR_00309]
To provide processed satellite images of key areas along the U. S.-Mexico border for use in a broad spectrum of studies. Landsat data have been used by government, commercial, industrial, civilian, ...


20. 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 ...


21. COVERAGE STUDY AREA -- Outline of study area boundary of Denver Basin [USGS_ofr02-338_studyarea]
This data set was created to display the outline of the study area as depicted in (Robson and others, 1998). This digital geospatial data set consists of outlines of the study area in the report ...


22. Coal Geology, Land Use, and Human Health in the Peoples Republic of China: Coal Mine Locations [USGS_OFR01-318coal_mines]   PARENT DIF
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 ...


23. Coal Geology, Land Use, and Human Health in the Peoples Republic of China: Power line locations [USGS_OFR01-318_power_lines]   PARENT DIF
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 ...


24. Coal Geology, Land Use, and Human Health in the Peoples Republic of China: Power station locations [USGS_OFR01-318_power_stations]   PARENT DIF
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 ...


25. Coal Geology, Land Use, and Human Health in the Peoples Republic of China: Prevalence of Endemic Fluorosis [USGS_OFR01-318_fluorosis]   PARENT DIF
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 ...


26. Coal Geology, Land Use, and Human Health in the Peoples Republic of China: Sources of Fluorosis Pollution [USGS_OFR01-318_fl_pollution]   PARENT DIF
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 ...


27. Geochemical Analysis of Soils and Sediments, Coeur d'Alene Drainage Basin, Idaho: Sampling, Analytical Methods, and Results, USGS OFR 00-139 [USGS_OFR01139]
This report was prepared to document the chemical composition of sediments and soils in the Coeur d'Alene (CdA) drainage basin in northern Idaho. These compositions are of interest because of the ...


28. Geologic Map of the Cucamonga Peak 7.5' Quadrangle, San Bernardino County, California, USGS OFR 01-311 [USGS_OFR01-311]
The data set for the Cucamonga Peak 7.5' quadrangle has been prepared under the U.S. Geological Survey Southern California Areal Mapping Project (SCAMP) as part of an ongoing effort to develop a regional ...


29. Geologic map and database of the Roseburg 30 x 60 minute quadrangle, Douglas and Coos Counties, Oregon, USGS OFR 00-376 [USGS_OFR_00-376]
This database and accompanying plot files depict the distribution of geologic materials and structures at a regional (1:100,000) scale. The report is intended to provide geologic information for the ...


30. Possible Costs Associated with Investigating and Mitigating Some Geologic Hazards in Rural Parts of San Mateo County, California [USGS_OFR_00127]
These susceptibility maps and the cost assessment data allow landowners in rural western San Mateo County to determine if their property is impacted by deep-seated landslide and debris flow hazards ...


31. 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 ...


32. 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; ...


33. 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 ...


34. 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 ...


35. COVERAGE ARAPBASE -- Structure contours of base of upper Arapahoe aquifer [USGS_arapbase]
This data set was created to display the altitude of the base of the upper Arapahoe aquifer as depicted in Robson and others (1998). This digital geospatial data set consists of structure contours ...


36. Digital Data for Construction Material Sources Reported by the Arizona Department of Transportation in 1977 for Maricopa County, Arizona, USGS OFR 01-122 [USGS_OFR01-122]
U.S. Geological Survey scientists desired to have the data presented in the Source in a digital format to use in GIS and spreadsheet software programs for aggregate models and aggregate assessment. ...


37. Geologic Map and Digital Database of the Conejo Well 7.5 Minute Quadrangle, Riverside County, California, USGs OFR 01-31 [USGS_OFR01-31]
The data set for the Conejo Well quadrangle has been prepared by the Southern California Areal Mapping Project (SCAMP), a cooperative project sponsored jointly by the U.S. Geological Survey and the ...


38. Geologic Map of the Devore 7.5' quadrangle, San Bernardino County, California, USGS, OFR 00-173 [USGS_OFR01-173]
The data set for the Devore 7.5' quadrangle was prepared under the U.S. Geological Survey Southern California Areal Mapping Project (SCAMP) as part of an ongoing effort to develop a regional geologic ...


39. Geologic Map of the Fifteenmile Valley 7.5' Quadrangle, San Bernardino County, California, USGS OFR 00-132 [USGS_OFR01-132]
The data set for the Fifteenmile Valley 7.5' quadrangle was prepared under the U.S. Geological Survey Southern California Areal Mapping Project (SCAMP) as part of an ongoing effort to develop a regional ...


40. Geologic Map of the Telegraph Peak 7.5 min. quadrangle, San Bernardino County, California, USGS OFR 01-293 [USGS_OFR01-293]
The data set for the Telegraph 7.5' quadrangle was prepared under the U.S. Geological Survey Southern California Areal Mapping Project (SCAMP) and the California Division of Mines as part of an ongoing ...


41. Heavy Minerals from the Palos Verdes Margin, Southern California: Data and Factor Analysis, USGS OFR 00-153 [USGS_OFR01-153]
Heavy or high-density minerals in the 63-250-um (micron) size fraction (very fine and fine sand) were analyzed from beach and offshore sites to determine the areal and temporal mineralogic distributions ...


42. High-Resolution Marine Seismic Reflection Data From the San Francisco Bay Area, USGS/OFR 00-494 [USGS_OFR00-494]
Marine seismic reflection data are used to image and map sedimentary and structural features of the seafloor and subsurface. These data are useful in mapping faults (such as the San Andreas and Hayward ...


43. Preliminary Lithogeochemical Map Showing Near-Surface Rock Types in the Chesapeake Bay Watershed, Virginia and Maryland, USGS OFR 01-187 [USGS_OFR01-187]
The purpose of this preliminary digital map is to provide a geographically referenced data base showing regional patterns in the distribution of rock types in the Virginia and Maryland parts of the ...


44. Preliminary Soil-Slip Susceptibility Maps, Southwestern California [USGS_OFR-03-17]
Introduction This group of maps shows relative susceptibility of hill slopes to the initiation sites of rainfall-triggered soil slip-debris flows in southwestern California. As such, the maps offer ...


45. Principal Facts for Gravity Stations in the Dry Valley Area, West-Central Nevada and East-Central California [USGS_OFR-03-6]
In June, 2002, the U.S. Geological Survey (USGS) established 143 new gravity stations and 12 new rock samples in the Dry Valley area, 30 miles north of Reno, Nevada, on the California - Nevada border ...


46. Reconnaissance Geologic Map of the Dixonville 7.5' Quadrangle, Oregon, USGS OFR 01-226 [USGS_OFR01-226]
This study was undertaken as part of a contribution to 1:100,000 mapping of the Roseburg 30' x 60' quadrangle (Wells, et al., 2000). The purpose of this mapping was to assess the oil and gas potential ...


47. Shaded-relief and Color Shaded-relief maps of the Willamette Valley, Oregon USGS OFR 01-294 [USGS_OFR01-294]
This digital data set, compiled from new 10-meter digital elevation model (DEM) data, represents the physiography of the Willamette Valley, Oregon. This new physiographic data is useful because the ...


48. Spatial Digital Database for the Geologic Map of the East Part of the Pullman 1x2 deg. Quadrangle, Idaho, USGS OFR 01-262 [USGS_OFR01-262]
This data set was developed to provide a geologic map GIS of the east part of the Pullman 1:250,000 quadrangle for use in future spatial analysis by a variety of users. These data can be printed ...


49. Thermal Maturity Patterns (CAI and %Ro) in the Ordovician and Devonian Rocks of the Appalachian Basin in New York, USGS/OFR 00-496 [USGS_OFR00-496]
This data will allow better modeling of the burial, unroofing and hydrocarbon generation history for the Appalachian basin in New York, and is part of a larger, ongoing project which will include ...


50. COVERAGE LFHTOP -- Structure contours of top of Laramie-Fox Hills aquifer [USGS_lfhtop]
This data set was created to display maps of the altitude of the top of the Laramie-Fox Hills aquifer (Robson and others, 1998). This digital geospatial data set consists of structure contours of ...


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