GROUND WATER ATLAS of the UNITED STATES
Iowa, Michigan, Minnesota, Wisconsin
HA 730-J
Upper carbonate aquifer
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Hydrogeology
Figure 93 Correlation chart showing upper carbonate aquifer characteristics
(191K)
downloadable tiff file J093.tif.gz (1.7MB
compressed)
Figure 94 Map showing thickness of upper carbonate
aquifer (223K)
downloadable tiff file J094.tif.gz (2.4MB
compressed)
downloadable tiff file J093.tif.gz (1.7MB
compressed) 
downloadable tiff file J094.tif.gz (2.4MB
compressed)