GROUND WATER ATLAS of the UNITED STATES
Iowa, Michigan, Minnesota, Wisconsin
HA 730-J
Surficial aquifer system
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Introduction
Figure 26 Map showing location of the surficial aquifer
system in Segment 9 (398K)
downloadable tiff file J026.tif.gz (2.8MB
compressed)
Figure 27 Photograph showing sorted and
stratified deposits of sand and gravel (166K)
downloadable tiff file J027.tif.gz (1.5MB
compressed)