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110 Titles Match Your Query
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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. 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 ...


3. 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 ...


4. 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 ...


5. Digital Line Graphs of U.S. Streams for the EPA Clean Air Mapping and Analysis Program (C-MAP) [Stream_GIS_USGS]
This is a 1:2,000,000 coverage of streams for the conterminous United States. This coverage was intended for use as a background display for the National Water Summary program. The stream layer was ...


6. GIS Coverage for the National Water-Quality Assessment (NAWQA) Program Retrospective Database for Nutrients in Surface Water: Monitoring Locations [NAWQAHIS]
The retrospective database is a compilation of historical water-quality and ancillary data collected before NAWQA Study Units initiated sampling in 1993. This coverage contains the point locations ...


7. Facilities in the Toxic Release Inventory [UTC_TRIfacilities]
This data set is a subset of the U.S. Environmental Protection Agency (USEPA) Envirofacts point data set which includes facilities included in the the Toxic Release Inventory. Information on total ...


8. Streamflow, Temperature and other parameters from Sampling Stations [USGS_streamflow]
Approximately 5,000 of the 6,900 U.S. Geological Survey sampling stations are equipped with telemetry to transmit data on streamflow, temperature, and other parameters back to a data base for real-time ...


9. Tennessee Depth to Bedrock [UTC_TNdepthtobedrock]
This dataset is a representation of the depth to bedrock as reported in the driller's log for the Water Wells Database of the Tennessee Department of Environment and Conservation (TDEC), Division ...


10. Volatile Organic Compound Releases [UTC_VOC]
This data set is a subset of the U.S. Environmental Protection Agency (USEPA) Envirofacts point data set which includes facilities included in the the Toxic Release Inventory. Information on total ...


11. Digital boundaries of the Antlers aquifer in southeastern Oklahoma [USGS_OFR_aqbound]
This data set was created for a project to develop data sets to support ground-water vulnerability analysis. The objective was to create and document a digital geospatial data set from a published ...


12. 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 ...


13. Digital Data Sets of Depth-Duration Frequency of Precipitation For Oklahoma [USGS_OFR_99-463]
These geospatial data sets were produced as part of a regional precipitation frequency analysis for Oklahoma. The data sets consist of surface grids of precipitation depths for seven frequencies (expressed ...


14. Hydrologic Units Maps of the Conterminous United States for the EPA Clean Air Mapping and Analysis Program (C-MAP) [HUC250k]
The Geographic Information Retrieval and Analysis System (GIRAS) was developed in the mid 70s to put into digital form a number of data layers which were of interest to the USGS. One of these data ...


15. Map of landfill locations in United States [USGS_landfills]
This is a point coverage of landfills shown in the 1986 National Water Summary Report (U.S. Geological Survey, 1987).


16. Real Time Water Data from USGS [USGS_REALTIME_STREAM]
The U.S. Geological Survey Water Resources Division provides real-time streamflow data for all 50 states including Puerto Rico and the Virgin Islands. An interactive map provides access ...


17. GCIP Reference Data Set (GREDS), U.S. Geological Survey Open-File Report 94-388 [GCIP-GREDS]
The data sets on this compact disc are a compilation of several geographic reference data sets of interest to the global-change research community. The data sets were chosen with input ...


18. Annual Peak Discharge and Stage of US Surface Water; USGS [EARTH_LAND_USGS_Water_PKFIL]
Originally available as hard copy publication, the Annual Peak Discharge and Stage of US Surface Water data will be made available to the public via the World Wide Web. The URL of the ...


19. Digital Data Sets Describing Water Use, Toxic Chemical Releases, Metropolitan Areas, and Population Density of the Conterminous United States [USGS_OFR_99-78]
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 ...


20. Digital boundaries of the alluvial and terrace deposits along the Beaver-North Canadian River from the panhandle to Canton Lake in northwestern Oklahoma [USGS_ofr96-446_aqbound]
This data set was created for a project to develop data sets to support ground-water vulnerability analysis. The objective was to create and document a digital geospatial data set from a published ...


21. 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 ...


22. 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]
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 ...


23. Digital hydraulic conductivity values of the Antlers aquifer in southeastern Oklahoma [USGS_ofr96-443_cond]
This data set was created for a project to develop data sets to support ground-water vulnerability analysis. The objective was to create and document a digital geospatial data set from a published ...


24. Digital hydraulic conductivity values of the Vamoosa-Ada aquifer in east-central Oklahoma [USGS_ofr96-444_cond]
This data set was created for a project to develop data sets to support ground-water vulnerability analysis. The objective was to create and document a digital geospatial data set from a published ...


25. ERF1-2 -- Enhanced River Reach File 2.0 [USGS_erfi-2]
This report describes the process of enhancements to the stream reach network, ERF1, which is an enhanced version of EPA's RF1. The U.S. Environmental Protection Agency's reach file (RF1) is a database ...


26. Streamflow gain/loss in the Republican River Basin, Nebraska, April to May 1980 [USGS_OFR_may80]
This data set was created to archive the calculated stream flow gains and losses of selected streams in part of the Republican River Basin, Nebraska, in April and May 1980, and make the data available ...


27. Streamflow gain/loss in the Republican River Basin, Nebraska, July 1975 [USGS_OFR_jul75]
This data set was created to archive the calculated stream flow gains and losses of tributary streams to the Republican River in Dundy and Chase Counties, Nebraska, in July 1975, and make the data ...


28. Streamflow gain/loss in the Republican River Basin, Nebraska, March 1989 [USGS_OFR_mar89]
This data set was created to archive the calculated stream flow gains and losses of selected streams in part of the Republican River Basin, Nebraska in March 1989, and make the data available for ...


29. Streamflow gain/loss in the Republican River Basin, Nebraska, October 1998 [USGS_OFR_oct98]
This data set was created to archive the calculated stream flow gains and losses of streams in the Republican River Basin, Nebraska, in October 1998, and make the data available for use with geographic ...


30. Digital Data Sets Describing Principal Aquifers, Surficial Geology, and Ground-Water Regions of the Conterminous United States [USGS_OFR_99-77]
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 ...


31. Digital hydraulic conductivity values [USGS_ofr96-446_cond]
This data set was created for a project to develop data sets to support ground-water vulnerability analysis. The objective was to create and document a digital geospatial data set from a published ...


32. Digital hydraulic conductivity values of the alluvial and terrace deposits along the Cimarron River from Freedom to Guthrie in northwestern Oklahoma [USGS_ofr96-445_cond]
This data set was created for a project to develop data sets to support ground-water vulnerability analysis. The objective was to create and document a digital geospatial data set from a published ...


33. Digital recharge rate for the alluvial and terrace deposits along the Beaver-North Canadian River from the panhandle to Canton Lake in northwestern Oklahoma [USGS_ofr96-446_recharg]
This data set was created for a project to develop data sets to support ground-water vulnerability analysis. The objective was to create and document a digital geospatial data set from a published ...


34. Digital water-level elevation contours for the alluvial and terrace deposits along the Cimarron River from Freedom to Guthrie in northwestern Oklahoma [USGS_ofr96-445_wlelev]
This data set was created for a project to develop data sets to support ground-water vulnerability analysis. The objective was to create and document a digital geospatial data set from a published ...


35. Digital boundaries of the alluvial and terrace deposits along the Cimarron River from Freedom to Guthrie in northwestern Oklahoma [USGS_ofr96-445_aqbound]
This data set was created for a project to develop data sets to support ground-water vulnerability analysis. The objective was to create and document a digital geospatial data set from a published ...


36. Digital water-level elevation contours for the Vamoosa-Ada aquifer in east-central Oklahoma [USGS_ofr96-444_wlelev]
This data set was created for a project to develop data sets to support ground-water vulnerability analysis. The objective was to create and document a digital geospatial data set from a published ...


37. Major geologic structures in the Black Hills Hydrology Study study area. [USGS_ofr00471_geostruc]
This data set was created as part of the Black Hills Hydrology Study (BHHS). The BHHS is a long-term investigation that was initiated in 1990 as a cooperative effort between the U.S. Geological Survey ...


38. Principal Aquifers of the 48 Conterminous United States [USGS_aquifers_us]
These data are intended for use in publications, at a scale of 1:2,500,000 or smaller. Due to the small scale, the primary intended use is for regional and national data display and analysis, rather ...


39. ERF1 -- Enhanced River Reach File 1.2 [USGS_erf1]
ERF1 was designed to be a digital data base of river reaches capable of supporting regional and national water-quality and river-flow modeling and transport investigations in the water-resources community. ...


40. Wells used in the creation of potentiometric surface maps for the Deadwood aquifer, Black Hills area, South Dakota. [USGS_ofr00471_ddwdpwpt]
This data set was created as part of the Black Hills Hydrology Study (BHHS). The BHHS is a long-term investigation that was initiated in 1990 as a cooperative effort between the U.S. Geological Survey ...


41. Superfund GIS - Aquifer Diffusivity in Tennesse [USGS_DIFFUS]
This dataset represents aquifer diffusivity based on the streamflow-recession index areas. This data set provides information on spatial patterns of ground-water residence time, ground-water storage, ...


42. 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 ...


43. 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 ...


44. 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 ...


45. Structure contours of base of upper Arapahoe aquifer in "Structure, outcrop, and subcrop of the bedrock aquifers along the western margin of the Denver Basin, Colorado [USGS_co_arapbase_ha742]
This digital geospatial data set consists of structure contours on the base of the upper member of the Arapahoe aquifer. The U.S. Geological Survey developed this data set as part of a project described ...


46. 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]
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 ...


47. Spatial data in GIS format on agri. chem. use, LU, and cropping practices in US [USGS_agexpn]
The agricultural expenses data in this coverage are intend for use in estimating regional agricultural expenses, and in producing visual displays and mapping relative amounts of agricultural expenses ...


48. Spatial data in GIS format on agri. chem. use, LU, and cropping practices in US [USGS_ag_crop_02]
The agricultural cropping-practice estimates in this coverage are intend for use in estimating regional cropping-practices, and in producing visual displays and mapping relative amounts of agricultural ...


49. Spatial data in GIS format on land agriclture production [USGS_ag_land]
The land in agriculture production estimates in this coverage are intend for use in estimating regional land in agricultural production, and in producing visual displays and mapping relative amounts ...


50. Superfund GIS - Physiographic Provinces, Aquifer Outcrops and Recharge Rates [USGS_aquiphys]
The dataset was created to make generalizations about an aquifer's capabilities of transport and recharge and to give names to those regions. This dataset is a coverage of the physiographic provinces, ...


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