Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-18T03:37:50Z GCMD Search: [Location: Location_Category='CONTINENT', Location_Type='NORTH AMERICA', Location_Subregion1='UNITED STATES OF AMERICA', Location_Subregion2='ILLINOIS'] http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 114 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GLCF_CRESS_57 EOS Land Validation Core Site Characterizations Data Set; EDC Land Cover Data Set for Site #3, Bondville -91.79,36.71,-87.23,42.79 2013-05-15T04:00:00Z This data set shows the EDC land cover classifications within the Bondville site. The EROS Data Center (EDC), uses Land Cover data which are derived from the 1km AVHRR (Advanced Very High Resolution ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NAWQAHIS GIS Coverage for the National Water-Quality Assessment (NAWQA) Program Retrospective Database for Nutrients in Surface Water: Monitoring Locations -127.88,22.87,-65.35,48.25 2013-04-22T04:00:00Z 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 ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NAWQA_TE GIS Coverage of the National Water-Quality Assessment (NAWQA) Program Trace Elements Sampling Sites for the EPA Clean Air Mapping and Analysis Program (C-MAP) -127.88,22.97,-65.35,48.25 1999-01-01T00:00:00Z 1999-12-31T00:00:00Z 2013-04-22T04:00:00Z This is a point coverage of the sampling sites for the U.S. Geological Survey National Water-Quality Assessment (NAWQA) Program Study-Unit investigations of Trace Elements for the conterminous United ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NAWQA GIS Coverage of the National Water-Quality Assessment Study-Unit Investigations in the conterminous United States (NAWQA) -127.88,22.87,-65.35,48.25 2013-04-22T04:00:00Z This is a coverage of the boundaries and codes used for the U.S. Geological Survey National Water-Quality Assessment (NAWQA) Program Study-Unit investigations for the conterminous United States, excluding ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CIESIN_SEDAC_USCG_SF1 U.S. Census Grids (Summary File 1), 2000 -180.0,17.0,180.0,72.0 2000-04-01T00:00:00Z 2000-04-01T00:00:00Z 2013-02-14T05:00:00Z U.S. Census Grids (Summary File 1), 2000 contain grids of demographic and socioeconomic data from the year 2000 U.S. census in ASCII and geotiff formats. The grids have a resolution of 30 arc-seconds ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CIESIN_SEDAC_USCG_SF1MSA U.S. Census Grids (Summary File 1), 2000: Metropolitan Statistical Areas -124.0,17.0,-65.0,47.0 2000-01-01T00:00:00Z 2000-01-01T00:00:00Z 2013-02-14T05:00:00Z U.S. Population Grids (Summary File 1), 2000: Metropolitan Statistical Areas contain grids of demographic and socioeconomic data from the year 2000 U.S. census in ASCII and geotiff formats for 50 ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CIESIN_SEDAC_USCG_SF3MSA U.S. Census Grids (Summary File 3), 2000: Metropolitan Statistical Areas -124.0,17.0,-65.0,47.0 2000-04-01T00:00:00Z 2000-04-01T00:00:00Z 2013-02-14T05:00:00Z U.S. Population Grids (Summary File 3), 2000: Metropolitan Statistical Areas contain grids of demographic and socioeconomic data from the year 2000 U.S. census in ASCII and geotiff formats for 50 ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NWS-Weather_Fatalities NWS Weather Fatality, Injury and Damage Statistics -67.08,17.88,-65.45,18.64-177.1,13.71,-61.48,76.63144.35,13.1,144.57,13.4-65.1,17.2,-64.3,18.3 1940-01-01T00:00:00Z T00:00:00Z 2013-01-24T05:00:00Z NWS Weather Fatality, Injury and Damage Statistics The U.S. Natural Hazard Statistics provide statistical information on fatalities, injuries and damages caused by weather related hazards. These ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_NLDAS_MOS0125_MC_V002 NLDAS Mosaic Land Surface Model L4 Monthly Climatology 0.125 x 0.125 degree V002 (NLDAS_MOS0125_MC) at GES DISC -125.0,25.0,-67.0,53.0 1980-01-01T00:00:00Z 2009-12-31T00:00:00Z 2013-01-18T05:00:00Z This monthly climatology data set contains a series of land surface parameters simulated from the Mosaic land-surface model (LSM) for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_NLDAS_FORA0125_MC_V002 NLDAS Primary Forcing Data L4 Monthly Climatology 0.125 x 0.125 degree V002 (NLDAS_FORA0125_MC) at GES DISC -125.0,25.0,-67.0,53.0 1980-01-01T00:00:00Z 2009-12-31T00:00:00Z 2013-01-18T05:00:00Z This data set contains the monthly climatology data of the primary forcing data for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are in 1/8th degree grid spacing. ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_NLDAS_NOAH0125_MC_V002 NLDAS Noah Land Surface Model L4 Monthly Climatology 0.125 x 0.125 degree V002 (NLDAS_NOAH0125_MC) at GES DISC -125.0,25.0,-67.0,53.0 1980-01-01T00:00:00Z 2009-12-31T00:00:00Z 2013-01-16T05:00:00Z This monthly climatology data set contains a series of land surface parameters simulated from the Noah land-surface model (LSM) for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_NLDAS_FORB0125_MC_V002 NLDAS Secondary Forcing Data L4 Monthly Climatology 0.125 x 0.125 degree V002 (NLDAS_FORB0125_MC) at GES DISC -125.0,25.0,-67.0,53.0 1980-01-01T00:00:00Z 2009-12-31T00:00:00Z 2013-01-16T05:00:00Z This data set contains the monthly climatology data of the secondary forcing data for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are in 1/8th degree grid spacing. ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_NLDAS_MOS0125_H_V002 NLDAS Mosaic Land Surface Model L4 Hourly 0.125 x 0.125 degree V002 (NLDAS_MOS0125_H) at GES DISC -125.0,25.0,-67.0,53.0 1979-01-02T00:00:00Z T00:00:00Z 2012-11-01T04:00:00Z This data set contains a series of land surface parameters simulated from the Mosaic land-surface model (LSM) for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_NLDAS_MOS0125_M_V002 NLDAS Mosaic Land Surface Model L4 Monthly 0.125 x 0.125 degree V002 (NLDAS_MOS0125_M) at GES DISC -125.0,25.0,-67.0,53.0 1979-01-02T00:00:00Z T00:00:00Z 2012-11-01T04:00:00Z This data set contains a series of land surface parameters simulated from the Mosaic land-surface model (LSM) for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_NLDAS_NOAH0125_H_V002 NLDAS Noah Land Surface Model L4 Hourly 0.125 x 0.125 degree V002 (NLDAS_NOAH0125_H) at GES DISC -125.0,25.0,-67.0,53.0 1979-01-02T00:00:00Z T00:00:00Z 2012-11-01T04:00:00Z This data set contains a series of land surface parameters simulated from the Noah land-surface model (LSM) for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_NLDAS_NOAH0125_M_V002 NLDAS Noah Land Surface Model L4 Monthly 0.125 x 0.125 degree V002 (NLDAS_NOAH0125_M) at GES DISC -125.0,25.0,-67.0,53.0 1979-01-02T00:00:00Z T00:00:00Z 2012-11-01T04:00:00Z This data set contains a series of land surface parameters simulated from the Noah land-surface model (LSM) for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_NLDAS_FORA0125_H_V002 NLDAS Primary Forcing Data L4 Hourly 0.125 x 0.125 degree V002 (NLDAS_FORA0125_H) at GES DISC -125.0,25.0,-67.0,53.0 1979-01-01T00:00:00Z T00:00:00Z 2012-11-01T04:00:00Z This data set contains the primary forcing data "File A" for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are in 1/8th degree grid spacing and range from Jan 1979 ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_NLDAS_FORA0125_M_V002 NLDAS Primary Forcing Data L4 Monthly 0.125 x 0.125 degree V002 (NLDAS_FORA0125_M) at GES DISC -125.0,25.0,-67.0,53.0 1979-01-01T00:00:00Z T00:00:00Z 2012-11-01T04:00:00Z This data set contains the monthly primary forcing data "File A" for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are in 1/8th degree grid spacing and range from ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_NLDAS_FORB0125_H_V002 NLDAS Secondary Forcing Data L4 Hourly 0.125 x 0.125 degree V002 (NLDAS_FORB0125_H) at GES DISC -125.0,25.0,-67.0,53.0 1979-01-01T00:00:00Z T00:00:00Z 2012-11-01T04:00:00Z This data set contains the secondary forcing data "File B" for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are in 1/8th degree grid spacing and range from Jan ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GES_DISC_NLDAS_FORB0125_M_V002 NLDAS Secondary Forcing Data L4 Monthly 0.125 x 0.125 degree V002 (NLDAS_FORB0125_M) at GES DISC -125.0,25.0,-67.0,53.0 1979-01-01T00:00:00Z T00:00:00Z 2012-11-01T04:00:00Z This data set contains the monthly secondary forcing data "File B" for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are in 1/8th degree grid spacing and range from ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDIAC_TRENDS_CO2USA Estimates of Annual Fossil-Fuel CO2 Emitted for Each State in the U.S.A. and the District of Columbia for Each Year from 1960 through 2001, CDIAC/Trends -130.0,20.0,-60.0,50.0 1960-01-01T00:00:00Z 2001-12-31T00:00:00Z 2012-10-23T04:00:00Z These energy consumption data were multiplied by their respective carbon dioxide emission factors, which are called carbon content coefficients by the U.S. Environmental Protection Agency (EPA). These ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]DOE_EIA_STATES State Energy Data -174.0,24.0,-52.0,73.0 1960-01-01T00:00:00Z T00:00:00Z 2012-10-23T04:00:00Z The State Energy Data is a made available by the Energy Information Administration (EIA), the independent statistical and analytical branch of the U.S. Department of Energy (DOE). It provides annual ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CIESIN_SEDAC_SLP_EPANPLSPDCM08 U. S. Environmental Protection Agency (EPA) National Priorities List (NPL) Sites Point Data with CIESIN Modifications, 2008 -176.63197,-14.3601,151.78372,64.823 1996-01-01T00:00:00Z T00:00:00Z 2012-10-04T04:00:00Z The U. S. Environmental Protection Agency (EPA) National Priorities List (NPL) Sites Point Data with CIESIN Modifications, 2008 is a modified version of the 2008 EPA NPL list. It includes all the ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]eMODIS1 eMODIS -176.0,52.0,-128.0,72.0-128.0,22.0,-75.0,48.0-93.0,7.0,-65.0,23.0-20.0,-39.0,52.0,40.025.0,5.0,136.0,56.0 2000-02-19T00:00:00Z T00:00:00Z 2011-07-27T04:00:00Z eMODIS products respond to specific land remote sensing community need for the benefits of MODIS data without the standard NASA packaging. eMODIS offers regionally based NDVI products in near-real ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]gov.noaa.ncdc.C00540 U.S. Integrated Surface Irradiance Study (ISIS) Level 2 (SURFRAD) (DSI-9872) -120.0,30.0,-74.0,49.0 1995-01-01T00:00:00Z T00:00:00Z 2011-07-21T04:00:00Z U.S. Integrated Surface Irradiance Study (ISIS) Level 2 (SURFRAD) is digital data set DSI-9872, archived at the National Climatic Data Center (NCDC).ISIS is a continuation ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BSRN_RADIATION_NETWORK The World Radiation Monitoring Center (WRMC) Baseline Surface Radiation Network (BSRN) 11.57,78.56,11.57,78.56-56.57,71.19,-56.57,71.1926.47,58.27,26.47,58.2714.12,52.21,14.12,52.21-104.17,50.12,-104.17,50.126.56,46.49,6.56,46.495.02,44.03,5.02,44.03-105.59,40.03,-105.59,40.03-97.29,36.36,-97.29,36.36140.08,36.03,140.08,36.03-64.2,32.16,-64.2,32.16167.44,8.43,167.44,8.434.34,8.32,4.34,8.32-133.52,-23.42,-133.52,-23.42-48.29,-27.28,-48.29,-27.2839.35,-69.0,39.35,-69.0-8.15,-70.39,-8.15,-70.39-0.0,-90.0,-0.0,-90.0 1992-01-01T00:00:00Z T00:00:00Z 2010-08-26T04:00:00Z [Source: Baseline Surface Radiation Network (BSRN) home page, http://www.bsrn.awi.de/ ] BSRN is a project of the Radiation Panel from the Global Energy and Water Cycle Experiment GEWEX under the ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NOAA_ATDD_USGCRP_ISIS Integrated Surface Solar Irradiance Study (ISIS) Surface-Based Solar Monitoring Data -125.0,32.0,-76.0,49.0 1995-01-01T00:00:00Z T00:00:00Z 2009-06-15T04:00:00Z Solar radiation is the driving energy for the geophysical and biochemical processes that control weather and life on earth. The Integrated Surface Irradiance Study (ISIS) is a continuation of earlier ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]UIUC_SEVERE_TORN A Case Study of the Illinois Severe Weather Outbreak of April 19, 1996 -90.0,35.0,-80.0,43.0 1996-04-19T00:00:00Z 1996-04-20T00:00:00Z 2009-04-24T04:00:00Z (Summary adapted from the WW2010 Home Page) April 19, 1996: One of the most memorable tornado outbreaks in Illinois history. During the day, 33 tornadoes touching ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_NATPRES A Directory of Illinois Nature Preserves -91.3,37.0,-87.5,42.5 2009-03-26T04:00:00Z This data set depicts the nature preserves of Illinois, digitized from USGS 7.5 minute quadrangles. A nature preserve is an area of land or water in public or private ownership that is ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_NO3AQSENS Aquifer Sensitivity to Contamination by Nitrate Leaching in Illinois -91.0,36.0,-87.0,42.0 1995-01-01T00:00:00Z 1995-12-31T00:00:00Z 2009-03-26T04:00:00Z This data set was designed for statewide evaluation of agrichemical leaching characteristics and associated aquifer sensitivity to contamination. It was created to classify soils ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_PESTAQSENS Aquifer Sensitivity to Contamination by Pesticide Leaching in Illinois -91.0,36.0,-87.0,42.0 1995-01-01T00:00:00Z 1995-12-31T00:00:00Z 2009-03-26T04:00:00Z This data set was designed for statewide evaluation of agrichemical leaching characteristics and associated aquifer sensitivity to contamination. It was created to classify soils ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_BEDGEO Bedrock Geology of Illinois -91.58268,36.953518,-87.38402,42.49564 1967-01-01T00:00:00Z T00:00:00Z 2009-03-26T04:00:00Z This map shows the distribution and extent of the bedrock geologic units within the State of Illinois, as depicted on the Geologic Map of Illinois (1967) by Willman and others, published ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_ALLST_BEDVAL Bedrock Valleys of Illinois -91.58051,36.952114,-87.38825,42.496693 1994-01-01T00:00:00Z T00:00:00Z 2009-03-26T04:00:00Z This data set shows continuous lines representing the lowermost elevations/locations of (buried) bedrock valleys in the state of Illinois. Additionally, names of buried valleys are annotated. ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_ALLST_COALSTRAT Coal Stratigraphic Data -91.4244,36.954,-87.384,42.4951 1998-10-01T00:00:00Z T00:00:00Z 2009-03-26T04:00:00Z ASCII database of stratigraphic information for the Danville, Herrin, and Springfield Coals from over 25,000 drill hole and outcrop descriptions of Pennsylvanian stratigraphy. Coordinates ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_ALLST_AQ50 Coarse-grained Materials Within 50 Feet of the Ground Surface in Illinois -91.5826,36.9535,-87.384,42.4956 1996-01-01T00:00:00Z T00:00:00Z 2009-03-26T04:00:00Z 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 ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_LANDCOV Critical Trends Assessment Land Cover Database of Illinois, 1991-1995 -91.7,36.9,-87.5,42.76 1991-04-17T00:00:00Z 1995-05-30T00:00:00Z 2009-03-26T04:00:00Z County by county land cover grid data for Illinois derived from Thematic Mapper (TM) Satellite data from the Landsat 4 sensor. Dates of the imagery used range from April, 1991 to May, ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_ALLST_INT Digital Elevation Model (DEM) of Illinois at 1:250,000 -91.7023,36.8031,-87.1183,42.6501 1995-01-01T00:00:00Z T00:00:00Z 2009-03-26T04:00:00Z This Arc/Info grid (raster) data set consists of edge-matched USGS 1:250,000 DEM tiles for Illinois. Cell size is 301 feet and cell values are elevations in meters above mean sea level ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_DRIFTLESS Driftless Areas in Illinois -90.0,37.0,-87.0,42.0 2009-03-26T04:00:00Z This is an Arc/Info polygon data set containing driftless areas in Illinois. These areas are analogous to areas of the state where the bedrock surface is not buried. Data are originally ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_GLCBND Glacial Boundaries in Illinois -91.58063,36.94578,-87.02229,42.500504 1996-01-01T00:00:00Z T00:00:00Z 2009-03-26T04:00:00Z This is an Arc/Info polygon data set containing glacial boundary lines representing the extent of glaciation for major glacial episodes in Illinois. Data are originally from the Quaternary ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_DRIFTTHK Glacial Drift in Illinois: Thickness and Character -91.0,36.0,-87.0,42.0 2009-03-26T04:00:00Z This map is a digital Arc/Info line and polygon coverage of drift thickness in Illinois. Data are originally from ISGS Circular 490 by Piskin and Bergstrom (1975), Plate 1. Contours (lines) ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_ALLST_CATUNITS Hydrologic Catalog-Units for Illinois -91.4244,36.954,-87.384,42.4951 1974-01-01T00:00:00Z T00:00:00Z 2009-03-26T04:00:00Z USGS hydrologic cataloging units for the state of Illinois. The USGS has divided each state into regions, subregions, accounting units, and cataloging units. All of Illinois is in region ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_SOILASSOC Illinois Soil Associations Map (500K) -91.58063,36.94578,-87.02229,42.500504 1984-01-01T00:00:00Z T00:00:00Z 2009-03-26T04:00:00Z Soil Associations in Illinois, from the General Soil Map of Illinois (Fehrenbacher, 1982). Created in 1984 by ESRI. A soil association is a group of related soil series that generally ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_KARST Karst Areas of Illinois -91.0,37.0,-87.0,42.0 1992-11-03T00:00:00Z 1997-02-03T00:00:00Z 2009-03-26T04:00:00Z 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, ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_LNDSLD85 Landslide Inventory of Illinois -91.478195,37.103733,-87.54317,42.315197 1995-01-01T00:00:00Z T00:00:00Z 2009-03-26T04:00:00Z This is a digital version of Plate 1 of ISGS Circular 534. This coverage shows polygon locations of landslides in Illinois. Features are described as earth slumps, slumps on bedrock, rock ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_ALLST_AQMB300 Major Bedrock Aquifers Within 300 Feet of Ground Surface -91.5828,36.9535,-87.3838,42.5015 1986-01-01T00:00:00Z T00:00:00Z 2009-03-26T04:00:00Z This map shows the distribution of major bedrock aquifer units within 300 feet of ground surface containing potable water in Illinois. Major aquifers are capable of yielding 70 gallons ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_ALLST_AQMB500 Major Bedrock Aquifers Within 500 Feet of Ground Surface -91.5826,36.9535,-87.384,42.4956 1986-01-01T00:00:00Z T00:00:00Z 2009-03-26T04:00:00Z This map shows the distribution of major bedrock aquifer units within 500 feet of ground surface containing potable water in Illinois. Major aquifers are capable of yielding 70 gallons ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_AQMBG500 Major Bedrock Aquifers at Depths Greater Than 500 Feet Below Ground Surface -91.5826,36.9535,-87.384,42.4956 2009-03-26T04:00:00Z This map shows the distribution of major bedrock aquifer units at depths greater than 500 feet below ground surface in Illinois. Major aquifers are capable of yielding 70 gallons of water ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_AQMSG Major Sand and Gravel Aquifers in Illinois -91.5826,36.9535,-87.384,42.4956 2009-03-26T04:00:00Z This map shows the distribution of major sand and gravel aquifers at any depth in Illinois. Generally, the tops of such aquifers lie within 300 feet of the surface and the bases occur ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_NO3LRANGE Nitrate Leaching Class Ranges -91.0,36.0,-87.0,42.0 1995-01-01T00:00:00Z 1995-12-31T00:00:00Z 2009-03-26T04:00:00Z 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. ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]IGDNR_NO3LEACH Nitrate Leaching Classes of Illinois Soils -91.0,36.0,-87.0,42.0 1995-01-01T00:00:00Z 1995-12-31T00:00:00Z 2009-03-26T04:00:00Z This data set was designed for statewide evaluation of agrichemical leaching characteristics and associated aquifer sensitivity to contamination. It was created to classify soils ...