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Historical chart
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Deer Island
State: MA
Year established: 1890
Latitude: 42 deg 20
min 23 sec N
Longitude: 70 deg 57
min 16 sec W
Height above sea level: 33 feet Original construction:
Brown conical cast-iron tower on black cylindrical caisson Rebuilds:
 1982: deteriorated cast-iron tower is replaced by 33-foot white fiberglass tower on original caisson
1983: 33-foot brown fiberglass tower replaces white tower
Status:
active aid to navigation
Light characteristic:
Alternating white and red flashes every 10 seconds, red visible for 11 nautical miles; fog signal, 1 blast every 10 seconds
More information:
http://lighthouse.cc/deer/index.html
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. 32-33
U.S. Department of Homeland Security / United States Coast Guard, Light List, Volume 1 Atlantic Coast, St. Croix River, ME to Shrewsbury River, NJ, (Washington, DC: GPO, 2003), p. 97
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