Minot's Ledge


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Source of Image: Robert English (USA)
Date of Image: June 12th, 2006

 

International Designation Number:

J0360

 

Navigation:
Latitude 42 16 12" N
Longitude 70 43 30" W
Body of water South approach to Boston Harbor.

 

Construction:
Date of Establishment: 1850
Date Light First Lit: 1860
Designer Barton S. Alexander.
Is structure still operating? Yes. Automated 1947.
Characteristic 8 flashes every 45sec, in a 1+4+3 pattern:1 flash, 5sec off, 4 flashes, 5sec off, 3 flashes.