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1. Estimates for Self-Supplied Domestic Withdrawals and Population Served, for Selected Principal Aquifers, Calendar Year 2005 [USGS_OFR_2010_1223]
The National Water-Quality Assessment Program of the U.S. Geological Survey has groundwater studies that focus on water-quality conditions in principal aquifers of the United States. The Program specifically ...


2. Africa FAO Irrigable Soil Classes (GIS Coverage) [NBId0017_101]
New-ID: NBI17 Irrigable soils of Africa. The African Irrigable Soils Dataset documentation Files: IRRIGUT.E00 Code: 100050-001 IRRIGUB.E00 ...


3. Hydrological Map of the Arab Region and the Adjacent Areas; 1988 [CE1d0027_173]
This data asset contains various layers / coverages, such as: - Polygon features that describe aquifer types and its characteristics. - Hydrological point features that describe the ground water quality ...


4. Water-Supply Potential of the Coastal Plain Aquifers in Calvert, Charles, and St. Mary's Counties, Maryland, with Emphasis on the Upper Patapsco and Lower Patapsco Aquifers [smdadmin]
A study was conducted of the water-supply potential of the aquifer system in Calvert, Charles, and St. Mary's Counties. A ground-water flow model was developed that simulates water levels ...


5. Depth to Initial Ground Water in feet, at a 1:500,000-scale [WYGISC_DTW500K]
This data was created specifically for use in the Wyoming Ground-water Vulnerability Mapping project. The data represents only depth to INITIAL ground-water and does not reflect potential ...


6. Aquifer Sensitivity to Contamination by Nitrate Leaching in Illinois [IGDNR_NO3AQSENS]   CHILD DIFs
This data set was designed for statewide evaluation of agrichemical leaching characteristics and associated aquifer sensitivity to contamination. It was created to classify soils ...


7. Aquifer Sensitivity to Contamination by Pesticide Leaching in Illinois [IGDNR_PESTAQSENS]   CHILD DIFs
This data set was designed for statewide evaluation of agrichemical leaching characteristics and associated aquifer sensitivity to contamination. It was created to classify soils ...


8. Coarse-grained Materials Within 50 Feet of the Ground Surface in Illinois [IGDNR_ALLST_AQ50]
This map shows the distribution of coarse-grained materials and permeable bedrock within 50 feet of ground surface in Illinois. This includes bedrock, sand and gravel, and alluvial units ...


9. Karst Areas of Illinois [IGDNR_KARST]
The karst data can be used to appraise local, regional, and general geologic conditions that might affect excavation and construction of roads, pipelines, foundations, and sewers, ...


10. Nitrate Leaching Class Ranges [IGDNR_NO3LRANGE]   PARENT DIF
This is a statewide Arc/Info data set of nitrate leaching class ranges for soils in Illinois. It was generated to aid in determining aquifer sensitivity to nitrate leaching in Illinois. ...


11. Nitrate Leaching Classes of Illinois Soils [IGDNR_NO3LEACH]   PARENT DIF
This data set was designed for statewide evaluation of agrichemical leaching characteristics and associated aquifer sensitivity to contamination. It was created to classify soils ...


12. Pesticide Leaching Classes of Illinois Soils [IGDNR_PESTLEACH]   PARENT DIF
This data set was designed for statewide evaluation of agrichemical leaching characteristics. It was created to classify soils and aquifer settings according to predictions of leaching ...


13. Alaska Permafrost Drillhole Temperature Logs (PTDAK); U. Alaska Geophysical Institute [EARTH_LAND_UAK_GI_Permafrost1]
This data set (PTDAK) includes handwritten temperature logs from drill holes in permafrost. The time series consists of temperatures versus time for active layer and permafrost. Data ...


14. 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 ...


15. Water quality index of the Tbilisi Sea [TBId0001_201]
Main aim of the study was physical-chemical and biological examination of the Tbilisi Sea environment (i.e. water quality, soil contamination, etc.) Project - Assessment of ...


16. Potentiometric Surface of the Upper Floridan Aquifer in the Ichetucknee Springshed and Vicinity, Northern Florida, September 2003 [USGS_OFR_2006_1031]
The Upper Floridan aquifer is a highly permeable unit of carbonate rock extending beneath most of Florida and parts of southern Alabama, Georgia, and South Carolina. The high permeability is due in ...


17. Potentiometric Surface of the Upper Floridan Aquifer, West-Central Florida, September 2007 [USGS_OFR_2008_1105]
The Floridan aquifer system consists of the Upper and Lower Floridan aquifers separated by the middle confining unit. The middle confining unit and the Lower Floridan aquifer in west-central Florida ...


18. Potentiometric Surface of the Upper Floridan Aquifer in the St. Johns River Water Management District and Vicinity, Florida, May 2007 [USGS_OFR_2007_1371]
This map depicts the potentiometric surface of the Upper Floridan aquifer in the St. Johns River Water Management District and vicinity for May 2007. Potentiometric contours are based on water-level ...


19. Estimates of Monthly Ground-Water Recharge to the Yakima River Basin Aquifer System, Washington, 1960-2001, for Current Land-Use and Land-Cover Conditions [USGS_OFR_2007_1238]
Monthly values of ground-water recharge, for current land-use and land-cover conditions, to the Yakima River Basin aquifer system, Washington, during water years 1960-2001 were previously estimated. ...


20. Potentiometric Surface of the Upper Floridan Aquifer, West-Central Florida, May 2006 [USGS_OFR_2007_1032]
The Floridan aquifer system consists of the Upper and Lower Floridan aquifers separated by the middle confining unit. The middle confining unit and the Lower Floridan aquifer in west-central Florida ...


21. Seismic Shear Wave Reflection Imaging at the Former Fort Ord, Monterey, California [USGS_OFR_2007_1068]
At the former Fort Ord in Monterey County, California, contamination threatens an aquifer that provides drinking water for local communities. Assessment and remediation require accurate hydrological ...


22. 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 ...


23. Aquifer-Test Data for Wells H-1, H-2A, H-2B, H-2C, and H-3 at the Waste Isolation Pilot Plant, Southeastern New Mexico [USGS_OFR_2006_1129_WIPP_NM]
The U.S.Geological Survey Open-File Report consists of the results of a series of aquifer tests (shut-in test, flow test, bailing test, slug test, swabbing test and pressure-pulse test)performed ...


24. Administrative Boundaries, Manitoba, Canada [Canada_GoM_AdminBoundaries]
The Administrative Boundaries data sets contain vector representation and names of various administrative regions and index grids for the Province of Manitoba. There are many administrative boundary ...


25. Sole Source Aquifers [EPA_SSA]
A Sole Source Aquifer (SSA) is an aquifer designated by EPA as the "sole or principal source" of drinking water for a given service area; that is, an aquifer which is needed to supply 50% or more ...


26. 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, ...


27. 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 ...


28. 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 ...


29. 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 ...


30. 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 ...


31. Hydrogeological Map of Egypt, Ground water; 1988 [CE1d0002_173]
This data asset contains various layers / coverages, such as: - Polygon features that describe aquifer types and its characteristics - Hydrological linear features like water level isolated. - Arrows ...


32. Map of Aquifers Systems of Morocco; 1976 [CE1d0041_173]
This coverage represents polygon features on the map that describe aquifer types and their characteristics. Original Map name: CARTE DES SYSTEMES AQUIFERS DU MAROC Originating center: Division Des ...


33. Map of Water Resources of Ground Water Aquifers and Direction in Tunisia; 1992 [CE1d0017_173]
This data asset contains various layers / coverages, such as: - Polygon features on the map that describe aquifer types and its characteristics - Arrows pointing to the direction of ground water flow ...


34. Surface Extent of Aquifer Systems, Jordan; 1976/1977 [CE1d0034_173]
This coverage represents polygon features on the map that describe aquifer types and its characteristics. Originating_center: Natural Resource Authority in Amman


Showing 1 through 34 of 34
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