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105 Titles Match Your Query
Showing 1 through 50 of 105 Next
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. Bedrock Geology of the Turkey Creek Drainage Basin [USGS_ofr00-265-geol]
This data set was created for analysis of the ground-water system of the study area. This geospatial data set describes bedrock geology of the Turkey Creek drainage basin in Jefferson County, Colorado. ...


3. Physiographic Provinces, aquifer outcrops and Recharge Rates for Tennessee [UTC_TNphysiographic]
This dataset is a coverage of the physiographic provinces, aquifer outcrops and recharge rates for Tennessee. Each polygon is attributed with its associated physiographic region name (Miller, 1974), ...


4. Potentiometric surface contours for the Inyan Kara aquifer, Black Hills, South Dakota [USGS_ofr00471_inkrpcon]
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 ...


5. Potentiometric surface contours for the Madison aquifer, Black Hills, South Dakota [USGS_ofr00471_mdsnpcon]
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 ...


6. Potentiometric surface contours for the Minnelusa aquifer, Black Hills, South Dakota [USGS_ofr00471_mnlspcon]
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 ...


7. Principal Aquifers of the 48 Conterminous United States [USGS_aquifers_us]
This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons. The map layer was developed ...


8. Principal aquifers of Puerto Rico and the U.S. Virgin Islands [USGS_aquifers_pr]
For publications, at a scale of 1:500,000 or smaller. Because of the small scale, the primary use is for regional and national data display rather than specific local data analysis. This is polygon ...


9. Climate Division of the United States GIS Data for the EPA Clean Air Mapping and Analysis Program (C-MAP) [CLIMDIV]
This is a coverage of climate divisions from the National Climatic Data Center. The purpose of this data set is to display seasonal maps of precipitation and temperature in the National Water Summary ...


10. Modified soil adjusted vegetation index for the Death Valley regional flow system, Nevada and California, 1992 [USGS_msavi_92]
The data set was created to determine areas of regional plant-cover information for use in the report "Ground-water discharge determined from estimates of evapotranspiration, Death Valley regional ...


11. Modified soil adjusted vegetation index of the Sarcobatus Flat area of the Death Valley regional flow system, Nevada and California, 1989 [USGS_msavi]
The data set was created to determine areas of regional plant-cover information for use in the report, "Ground-water discharge determined from estimates of evapotranspiration, Death Valley regional ...


12. Overlying surficial deposits and absent areas for the Deadwood Formation, Black Hills area, South Dakota [USGS_ofr00471_ddwdsurf]
Data describing where the Deadwood Formation is directly overlain by surficial deposits and areas where the formation is absent were used in the production of structure-contour maps for the top of ...


13. Overlying surficial deposits and absent areas for the Inyan Kara Group, Black Hills area, South Dakota. [USGS_ofr00471_inkrsurf]
Data describing where the Inyan Kara Group is directly overlain by surficial deposits and areas where the formation is absent were used in the production of structure-contour maps for the top of the ...


14. Overlying surficial deposits and absent areas for the Madison Limestone, Black Hills area, South Dakota [USGS_ofr00471_mdsnsurf]
Data describing where the Madison Limestone is directly overlain by surficial deposits and areas where the formation is absent were used in the production of structure-contour maps for the top of ...


15. Overlying surficial deposits and absent areas for the Minnekahta Limestone, Black Hills area, South Dakota. [USGS_ofr00471_mnktsurf]
Data describing where the Minnekahta Limestone is directly overlain by surficial deposits and areas where the formation is absent were used in the production of structure-contour maps for the top ...


16. 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 ...


17. 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 ...


18. Risk of nitrate contamination in ground waters of the United States-- A national perspective [USGS_gwrisk]
This map was designed to present patterns of risk for nitrate contamination at large regional or national scales. Knowing where and what type of risks to ground water exist can alert water-resources ...


19. STATSGO soil characteristics for the conterminous United States [USGS_muid]
The data were derived for use in regional (multi-state) and national studies requiring estimates of soil characteristics. The georeferenced soil characteristics were intended to be averaged over large ...


20. Satzone/Colorado Front Range Infrastructure Resources Project [USGS_ofr02-338_satzone]
This dataset was created by the U.S. Geological Survey (USGS) in the development of the USGS Front Range Infrastructure Resources Project. This dataset was used in the creation of 1:50,000-scale hydrogeologic ...


21. Sedthick/Colorado Front Range Infrastructure Resources Project (FRIRP) [USGS_ofr02-338_sedthick]
This dataset was created by the U.S. Geological Survey (USGS) in the development of the USGS Front Range Infrastructure Resources Project. This dataset was used in the creation of 1:50,000-scale hydrogeologic ...


22. Selected Characteristics of Large Reservoirs, USGS [Sel_Char_of_lg_Reservoirs]
This is a point coverage of dams in the United States and Puerto Rico, which originally was derived from the national inventory of dams database (U.S. Army Corps of Engineers, 1982). The ...


23. Selected data for wells and test holes used in structure-contour maps of the Deadwood Formation in the Black Hills area, South Dakota. [USGS_ofr00471_ddwdswpt]
Data on wells and test holes in this data set were used to identify elevations for the top of the Deadwood Formation for the creation of a structure-contour map. This data set was created as part ...


24. Selected data for wells and test holes used in structure-contour maps of the Inyan Kara Group in the Black Hills area, South Dakota. [USGS_ofr00471_inkrswpt]
Data on wells and test holes in this data set were used to identify elevations for the top of the Inyan Kara Group for the creation of a structure-contour map. This data set was created as part of ...


25. Selected data for wells and test holes used in structure-contour maps of the Madison Limestone in the Black Hills area, South Dakota. [USGS_ofr00471_mdsnswpt]
Data on wells and test holes in this data set were used to identify elevations for the top of the Madison Limestone for the creation of a structure-contour map. This data set was created as part of ...


26. Selected data for wells and test holes used in structure-contour maps of the Minnelusa Formation in the Black Hills area, South Dakota. [USGS_ofr00471_mnlsswpt]
Data on wells and test holes in this data set were used to identify elevations for the top of the Minnelusa Formation for the creation of a structure-contour map. This data set was created as part ...


27. 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 ...


28. Spatial data in GIS format on agri. chem. use, LU, and cropping practices in US - USGS_ag_crop_02 [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 ...


29. 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 ...


30. Springs used in the creation of potentiometric surface maps for the Inyan Kara, Minnekahta, Minnelusa,Madison, and Deadwood aquifers [USGS_ofr00471_spngppt]
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 ...


31. State Boundaries of Mexico [USGS_mex_stateboundaries]
The purpose of this state is to fill a need for the state boundaries for all of Mexico. It was collected for the National Atlas project with the intentions to be released to the USGS and be used in ...


32. 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 ...


33. 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 ...


34. 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 ...


35. 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 ...


36. 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 ...


37. 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 ...


38. Superfund GIS - 1:250,000 Geology of Tennessee [USGS_geo250k_Tennessee]
The data set was developed to determine relative geology at scales suitable for use at a scale 1:250,000. The data set should not be used in situations where positional accuracy is an issue. This ...


39. 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, ...


40. 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, ...


41. 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 ...


42. 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 ...


43. WATSTORE Stream Flow Basin Characteristics File [EARTH_LAND_USGS_Water_flow_SFBC]
The Stream Flow Basin Characteristics file contains information about the drainage basins of selected USGS gauging stations. Data include drainage basin area, forested basin area, elevation, peak ...


44. 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 ...


45. Wells used in the creation of potentiometric surface maps for the Inyan Kara aquifer, Black Hills area, South Dakota. [USGS_ofr00471_inkrpwpt]
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 ...


46. Wells used in the creation of potentiometric surface maps for the Madison aquifer, Black Hills area, South Dakota. [USGS_ofr00471_mdsnpwpt]
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 ...


47. Wells used in the creation of potentiometric surface maps for the Minnekahta aquifer, Black Hills area, South Dakota. [USGS_ofr00471_mnktpwpt]
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 ...


48. Wells used in the creation of potentiometric surface maps for the Minnelusa aquifer, Black Hills area, South Dakota. [USGS_ofr00471_mnlspwpt]
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 ...


49. 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 ...


50. 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 ...


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