National Museum of American History, Behring Center

Lighthouse Postcards

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Prospect Harbor postcard face - click to enlarge

Prospect Harbor postcard obverse - click to enlarge

Locate on NOAA nautical chart

Prospect Harbor

State: ME
Year established: 1848
Latitude: 44 deg 24 min 11 sec N
Longitude: 68 deg 0 min 46 sec W
Height above sea level: 42 feet

Original construction:
granite tower attached to keeper's house; deactivated between 1859 and 1870

1891: present 38-foot conical wooden tower

Automated in 1951; active aid to navigation, now on Naval installation grounds

Light characteristic:
flashing red with 2 white sectors, visible for 7 nautical miles

More information:
Office of the Light House Board, List of Lights and Fog Signals on the Atlantic and Gulf Coasts of the United States, (Washington, DC: GPO, 1895), pp. 18-19