Fort Madison
Latitude
DEC
40.633008° N
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DMS
40° 37′ 58.83″ N
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Longitude
DEC
-91.339829° W
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DMS
91° 20′ 23.38″ W
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Elevation
166.2
m
* Data Source: Coordinates sourced from github/kelvins/US-Cities-Database; elevation referenced to NASA SRTM/Open-Meteo terrain models.