GROUND WATER ATLAS of the UNITED STATES
Montana, North Dakota, South Dakota, Wyoming
HA 730-I
Regional summary
There are two different files for each illustration
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Water-level fluctuations
Short-term fluctuations
Figure 16 Graph showing water level change as a result of irrigation,
1966 (17K)
editable eps
file I016.eps.gz (17K compressed)
Figure 17 Graph showing water exchange between a river and
an adjacent aquifer (17K)
editable eps
file I017.eps.gz (17K compressed)
Figure 18 Graphs of water level below land surface and ground-water
withdrawals (17K)
editable eps
file I018.eps.gz (17K compressed)
Long-term fluctuations
Figure 19 Graph showing correlation between long-term ground-water
levels and precipitation (17K)
editable eps
file I019.eps.gz (17K compressed)
Figure 20 Graph showing uncontrolled flow from an artesian
aquifer (17K)
editable eps
file I020.eps.gz (17K compressed)