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Service Description: Potentiometric Surface of the Shallow Bedrock system in Northeastern Illinois.
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Copyright Text: ISWS groundwater section
Spatial Reference:
102100
(3857)
Single Fused Map Cache: false
Initial Extent:
XMin: -9959958.108912643
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Spatial Reference: 102100
(3857)
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YMin: 5023121.7469
XMax: -9743178.4962
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Spatial Reference: 102100
(3857)
Units: esriMeters
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Document Info:
Title: Shallow Bedrock Potentiometric Surface
Author: Daniel Hadley, George Roadcap, Daniel Abrams
Comments: Potentiometric surface of the shallow bedrock system in northeastern Illinois. The potentiometric surface is a compsite of 1,461 water level measurements in wells taken between 1990 and 2006 as part of various ISWS studies, and an additional 231 surface water elevations along rivers and creeks that have hydrualic communication with the shallow bedrock.
Subject: Potentiometric Surface of the Shallow Bedrock system in Northeastern Illinois.
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Keywords: aquifer,groundwater,bedrock,potentiometric surface,illinois
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