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Prudence Island (Sand Pt) postcard face - click to enlarge

Prudence Island (Sand Pt) postcard obverse - click to enlarge

Locate on NOAA nautical chart

Prudence Island (Sand Pt)

State: RI
Year established: 1852
Latitude: 41 deg 36 min 21 sec N
Longitude: 71 deg 19 min 27 sec W
Height above sea level: 28 feet

Original construction:
25-foot white octagonal granite tower (1823 lighthouse moved from Newport Harbor)

Light characteristic:
flashing green every 6 seconds visible for 6 nautical miles

More information:

http://lighthouse.cc/prudence/index.html
http://www.uscg.mil/hq/g-cp/history/WEBLIGHTHOUSES/LHRI.html
Bachand, Robert G.,Northeast Lights - Lighthouses and Lightships - Rhode Island to Cape May, NJ, (Norwalk, CT: Sea Sports Publications, 1989), pp. 37-39
Holland Jr., F. Ross, Great American Lighthouses, National Historic Trust Guide, (Washington, DC: The Preservation Press, 1989), pp. 127-128

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