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Hog
Island Shoal Lighthouse
Location: Entrance
to Mount Bay
 1901 - present Lat 41
37 56 N - Long 71 16 24 W
Established: 1901
Lighthouse Constructed:
1901
Automated: 1964
Original Illuminating
Apparatus: Fifth Order Fresnel Lens
Current Illuminating
Apparatus: 250-mm lens
Height: 60 feet
Status: Active Aid to Navigation
Light Characteristic:
Fixed White (1906)
 Isophase White every 6 seconds (2005)
Range: 12½ miles (1906)
 12 miles (2005)
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