Fort Preble was a military fort in South Portland, Maine, United States, built in 1808 and progressively added to through 1906. It is now on the campus of Southern Maine Community College.
Wikipedia https://en.wikipedia.org/wiki/Fort_Preble
Address 43 Spring Point Dr, South Portland 04106, United States
Coordinates 43°38'57.18" N -70°13'35.195" E