GROUND WATER ATLAS of the UNITED STATES
Montana, North Dakota, South Dakota, Wyoming
HA 730-I
Regional summary
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Areal distribution of aquifers
Figure 6 Map of glacial deposits (132K)
editable eps
file I006.eps.gz (990K compressed)
Figure 7 Map of principal aquifers (248K)
editable eps
file I007.eps.gz (2.1M compressed)
Figure 8 Map of regional aquifer systems (17K)
editable eps
file I008.eps.gz (116K compressed)
Figure 9 Diagram of overlapping aquifers of the Northern
Great Plains aquifer system (33K)
editable eps
file I009.eps.gz (1.1M compressed)