GROUND WATER ATLAS of the UNITED STATES
Iowa, Michigan, Minnesota, Wisconsin
HA 730-J
Pennsylvanian aquifer
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Fresh Ground-water Withdrawals
Figure 58 Pie chart showing use of fresh ground-water withdrawals
from the Pennsylvanian aquifer during 1985 (83K)
downloadable tiff file J058.tif.gz (1.1MB
compressed)