Potomac
Latitude
DEC
40.309000° N
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DMS
40° 18′ 32.40″ N
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Longitude
DEC
-87.823192° W
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DMS
87° 49′ 23.49″ W
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Elevation
208.4
m
* Data Source: Coordinates sourced from github/kelvins/US-Cities-Database; elevation referenced to NASA SRTM/Open-Meteo terrain models.