For use in applications requiring generalized information for surface deposits in Illinois.
The data are not appropriate as a geodetic, legal or engineering base. The data set was not and is not intended as a substitute for surveyed locations, such as can be determined by a registered Public Land Surveyor. Although useful in a GIS as a reference base layer for maps, the data set has no legal basis in the definition of boundaries or property lines.
Digital representation of the Quaternary Deposits in Illinois map by Lineback (1979). Map scale is 1:500,000. Shows Quaternary deposits that lie at or near the land surface, including loess deposits.
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{'Title': 'Quaternary Deposits of Illinois, 1979', 'Author': 'J.A. Lineback', 'Comments': 'For use in applications requiring generalized information for surface deposits in Illinois.\nThe data are not appropriate as a geodetic, legal or engineering base. The data set was not and is not intended as a substitute for surveyed locations, such as can be determined by a registered Public Land Surveyor. Although useful in a GIS as a reference base layer for maps, the data set has no legal basis in the definition of boundaries or property lines.', 'Subject': 'Quaternary Deposits in Illinois.  Map scale is 1:500,000. Shows Quaternary deposits that lie at or near the land surface, including loess deposits.', 'Category': '', 'AntialiasingMode': 'None', 'TextAntialiasingMode': 'Force', 'Keywords': 'geology,quaternary,surficial,loess,silt,sand,gravel,till,alluvium,colluvium,Illinois,ISGS'}
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nan