Alton topographic map
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About this map
Name: Alton topographic map, elevation, terrain.
Location: Alton, Madison County, Illinois, 62002, United States (38.85086 -90.22431 38.93086 -90.14431)
Average elevation: 147 m
Minimum elevation: 120 m
Maximum elevation: 201 m
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Upper Alton
United States > Illinois > Madison County > Alton
Upper Alton, Alton, Madison County, Illinois, 62002, United States
Average elevation: 160 m