GROUND WATER ATLAS of the UNITED STATES
Iowa, Michigan, Minnesota, Wisconsin
HA 730-J

Pennsylvanian aquifer

(figures 50-58)

Introduction (Click to view thumbnails and download figures)

Hydrogeology (Click to view thumbnails and download figures)

Ground-water Quality (Click to view thumbnails and download figures)

Fresh Ground-water Withdrawals (Click to view thumbnails and download figures)


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