Managing Organization: Canadian Coast Guard
Notes: Main Duck Island has a sheltered harbor, one of the few in the area. The island is within St. Lawrence Islands National Park. Tower Height: 80 Height of Focal Plane: 77 Characteristic and Range: Flashing white every 6 seconds, visible for 17 miles. Description of Tower: Octagonal concrete tower.
This light is operational
Date Established: 1914 Date Present Tower Built: 1914 Optics: Third order Fresnel lens. Current Use: Active aid to navigation. Open To Public? On limited basis. Directions: Access is restricted but public tours are available - see www.pec.on.ca/naturestuff/quintenaturalist/mainducktours.html Keepers: J. Clark (1914-1915), Fred Bongard (1915-1921), Wesley Thomas (1921-1953), Harry Dunne (1954-1958), Coleman Main (1959-?), Charles Murray Ribble (assistant, c. 1959-?), Kenneth McConnell (c. 1960s), Fred Holdaway (assistant, c. 1960s)
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