You searched for: Publisher Illinois State Geological Survey Remove constraint Publisher: Illinois State Geological Survey Resource Class Datasets Remove constraint Resource Class: Datasets Time Period 1950-1999 Remove constraint Time Period: 1950-1999

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Bedrock Geology - Geologic Units [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1967. Illinois State Geological Survey. Distribution and extent of the bedrock geologic units within Illinois. Data originally from the Geologic Map of Illinois (1967) by Willman and et. ... Illinois State Geological Survey.


Buried Bedrock Surface [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1994. Herzog, B.L., B.J. Stiff, C.A. Chenoweth, K.L. Warner, J.B. Sievering, and C. Avery. Topography of the bedrock surface in Illinois. Bedrock topography is shown as 50-foot (15-meter) contours of bedrock elevation above mean sea level... Illinois State Geological Survey.


Climate Network Weather Data [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1989. Illinois State Water Survey. The Illinois State Water Survey’s Illinois Climate Network (ICN) monitors weather conditions at 19 stations in Illinois.  Hourly and daily data are... Illinois State Geological Survey.


County Boundaries [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1968. Illinois State Geological Survey. Contains Illinois county boundaries in line and polygon formats. The polygon attribute data include county name and number (FIPS) designations. The... Illinois State Geological Survey.


Digital Elevation Model (DEM) at 1:250,000 [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1995. Abert, Curtis C. A digital elevation model (DEM) in ArcINfo grid format. Data were assembled to provide a statewide database of surface elevation points suitable fo... Illinois State Geological Survey.


Digital Orthophoto Quadrangle (DOQ) Data [Illinois] (1998 - 2001) university-of-illinois-urbana-champaign

1998. U.S. Geological Survey. Illinois National Aerial Photography Program (NAPP) Digital Orthophotography quarter Quadrangle (DOQ) data have been created for 102 counties in th... Illinois State Geological Survey.


Driftless Areas [Illinois] university-of-illinois-urbana-champaign

1994. Illinois State Geological Survey. Driftless areas in Illinois. These areas are analogous to areas of the state where the bedrock surface is not buried by glacial drift. Data origina... Illinois State Geological Survey.


Gap Analysis Program Land Cover Classification [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1999. The National Gap Analysis Program(link is external), administered within the Biological Resources Division of the U.S. Geological Survey, seeks to ... Illinois State Geological Survey.


Glacial Boundaries [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1998. Illinois State Geological Survey. Glacial boundary lines representing the extent of glaciation for major glacial episodes in Illinois. Data originally from Quaternary Deposits in Il... Illinois State Geological Survey.


Glacial Drift: Thickness and Character [Illinois] university-of-illinois-urbana-champaign

1994. Illinois State Geological Survey. Unconsolidated deposits, mainly glacial drift, overlie the bedrock surface in most of Illinois. Data are originally from ISGS Circular 490 by Piski... Illinois State Geological Survey.