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Castle Hill
State: RI
Year established: 1890
Latitude: 41 deg 27
min 44 sec N
Longitude: 71 deg 21
min 46 sec W
Height above sea level: 40 feet Original construction:
present 34-foot conical granite tower, upper half white, on granite pier
Status:
automated in 1957; active aid to navigation
Light characteristic:
isophase red every 6 seconds (3 seconds red and 3 seconds dark), visible for 12 nautical miles; fog signal, 1 blast every 10 seconds
More information:
 http://lighthouse.cc/castlehill/index.html
Bachand, Robert G.,Northeast Lights - Lighthouses and Lightships - Rhode Island to Cape May, NJ, (Norwalk, CT: Sea Sports Publications, 1989), pp. 61-63
Holland Jr., F. Ross, Great American Lighthouses, National Historic Trust Guide, (Washington, DC: The Preservation Press, 1989), p. 125
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. 168
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