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Historical chart
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Isles of Shoals (White Island)
State: NH
Year established: 1821
Latitude: 42 deg 58
min 2 sec N
Longitude: 70 deg 37
min 24 sec W
Height above sea level: 82 feet Original construction:
stone tower Rebuilds:
 1859: present white conical brick tower; covered way nearly to dwelling
Status:
Automated in 1986; active aid to navigation
Light characteristic:
Flashing white every 15 seconds; visible for 20 nautical miles; fog signal, 1 blast every 30 seconds
Notes:
Also known as White Island Light
More information:
http://www.lighthouse.cc/white
http://www.uscg.mil/hq/g-cp/history/WEBLIGHTHOUSES/LHNH.html
Holland Jr., F. Ross, America's Lighthouses: Their Illustrated History Since 1716, (Brattleboro, VT: The Stephen Greene Press, 1972), p. 87
Holland Jr., F. Ross, Great American Lighthouses, National Historic Trust Guide, (Washington, DC: The Preservation Press, 1989), pp. 119-120
US Coast Guard, Public Information Division, Historically Famous Lighthouses, CG-232, (Washington, DC: GPO,1972), pp. 59-60 [Light characteristics may not be current]
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