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Coarse-grained Materials Within 50 Feet of the Ground Surface in Illinois
Entry ID:
IGDNR_ALLST_AQ50
Summary
Abstract:
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 with characteristics that suggest a potential to store or conduct groundwater and yield potable water to wells and springs. It was derived from stack-unit map data in the ISGS data set ... ![]()
Related URL
Data Set Citation
Dataset Originator/Creator:
Riggs, M.H., D. Nelson, C.C. Abert
Dataset Title:
Coarse-grained Materials Within 50 Feet of the Ground Surface in Illinois
Dataset Series Name:
ISGS GIS Database
Dataset Release Date:
1997
Dataset Release Place:
Champaign, Illinois
Dataset Publisher:
Illinois State Geological Survey
Version:
2.0
Issue Identification:
aq50
Data Presentation Form:
map
Other Citation Details:
Scale is 1:250,000
Temporal Coverage
Start Date:
1996-01-01
Location Keywords
Science Keywords
ISO Topic Category
Access Constraints
None
Use Constraints
Suitable for regional applications only (1:250,000 scale or smaller). The
Illinois State Geological Survey does not guarantee the validity or accuracy of these data. Data set is not to be redistributed. Any product that uses this data must cite the Illinois State Geological Survey. It is important to realize that characteristics which ... ![]() Ancillary Keywords
Data Set Progress
COMPLETE
Originating Center
Data Center
Distribution
Distribution Media:
Online
Distribution Size:
13.7MB
Distribution Format:
Arc/Info export format
Fees:
No fees
Personnel
Creation and Review Dates
DIF Creation Date:
2004-03-04
Last DIF Revision Date:
2009-03-26
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