Thomas J. O'Brien Lock and Dam
Landmarks
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Add reviewChicago, IL
Latitude: 41.6523 (41°39′8″N)
Longitude: -87.5667 (87°34′0″W)
Longitude: -87.5667 (87°34′0″W)
Features
Elevation:
177
US Geo Name:
Feature #419657 created on 01/15/1980
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