Whaleback Ledge


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Source of Image: Larry Myhre (USA)
Date of Image: Unknown

 

International Designation Number:

J2032

 

Navigation:
Latitude 43 03 31" N
Longitude 70 41 48" W
Body of water Entrance to Portsmouth Harbor.

 

Construction:
Date of Establishment: 1831
Date Light First Lit: 1872
Designer
Is structure still operating? Yes.
Characteristic Two White flashes every 10sec.