National Museum of American History, Behring Center

Lighthouse Postcards

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Hog Island Shoal postcard face - click to enlarge

Hog Island Shoal postcard obverse - click to enlarge

Locate on NOAA nautical chart

Hog Island Shoal

State: RI
Year established: 1886
Latitude: 41 deg 37 min 56 sec N
Longitude: 71 deg 16 min 24 sec W
Height above sea level: 54 feet

Original construction:
light ship

1901: present white 60-foot conical cast iron tower, on black cylindrical pier

automated in 1964, active aid to navigation

Light characteristic:
isophase white every 6 seconds (3 seconds white and 3 seconds dark) visible for 2 nautical miles; fog signal 2 blasts every 30 seconds

More information:
Bachand, Robert G.,Northeast Lights - Lighthouses and Lightships - Rhode Island to Cape May, NJ, (Norwalk, CT: Sea Sports Publications, 1989), pp. 21-22
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. 171