Monmouth IL is located at 41.002258, -90.629578 geo coordinates. Monmouth, IL is located in Illinois, Spring Grove, United States Of America.
Latitude | Longitude |
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41.002258 | -90.629578 |
DMS Latitude | DMS Longitude |
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41° 0´ 8.1288'' N | 90° 37´ 46.4808'' W |