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Guard Island Light


FieldValue
imageUSCGguardisland1924.JPG
captionGuard Island Light
locationGuard Island
Tongass Narrows entrance
Clarence Strait
Alaska
United States
coordinates
yearbuilt1904 (first)
yearlit1924 (current)
automated1969
foundationConcrete
constructionReinforced concrete
shapeSquare tower with balcony and lantern on oil house
markingWhite tower, black lantern
height30 ft
focalheight74 ft
lensFourth Order Fresnel lens
range17 nmi
characteristicFl W 10s.
emergency light (Fl W 6s.) of reduced intensity when main light is extinguished.
managingagentUnited States Coast Guard
module{{Infobox NRHP
nameGuard Island Lighthouse
embedyes
nrhp_typehd
nocatyes
nearest_cityKetchikan, Alaska
architectJ.T. Elliot
architectureModerne
addedJanuary 14, 2004
area10.4 acre
mpsubLight Stations of the United States MPS
refnum03001378
designated_other1Alaska Heritage Resources Survey
designated_other1_nameAlaska Heritage Resources Survey
designated_other1_color#A8EDEF
designated_other1_abbrAHRS
designated_other1_numberKET-00025
designated_other1_num_positionbottom

Tongass Narrows entrance Clarence Strait Alaska United States emergency light (Fl W 6s.) of reduced intensity when main light is extinguished.

The Guard Island Light is a lighthouse on a small island near the entrance to the Tongass Narrows, in Clarence Strait in southeastern Alaska. The western entrance to the Behm Canal also lies nearby.

History

The lighthouse location was prioritized sixth in a 1901 study of 15 Alaska proposed sites. It would assist shipping along Southeast Alaska's Inside Passage, at the north end of the Tongass Narrows, "one of the more difficult passages along the route" of Klondike Gold Rush-related shipping to Juneau and to Skagway.

Construction of the Guard Island Lighthouse began in the summer of 1903 and was completed by September 1904. The 34 ft wooden tower housed a fourth order Fresnel lens that produced a fixed white light. However, the wood used for Guard Island Light Station, as well as for several other Alaskan lighthouses, soon deteriorated in the harsh weather conditions. By the 1920s, all the lighthouses except Eldred Rock were falling apart, and in 1922, Congress authorized the reconstruction of Guard Island Light. In 1924, the dilapidated light tower was replaced with a new single-story rectangular tower of reinforced concrete. The station was automated by the Coast Guard in 1969.

The lighthouse was listed as a historic district on the National Register of Historic Places in 2004. The listing includes one contributing building, one contributing structure, and one contributing site on a 10.4 acre area.

Guard Island Lighthouse in June of 2022

References

References

  1. {{Cite rowlett. ak
  2. [http://www.uscg.mil/history/weblighthouses/LHAK.asp Alaska Historic Light Station Information & Photography] United States Coast Guard. Retrieved 7 June 2016
  3. {{NRISref
  4. Robert M. Weaver. (June 16, 2003). ["National Register of Historic Places Registration: Guard Island Lighthouse / Guard Island Light Station (AHRS Site No. KET-025)."]({{NRHP url). National Park Service}} and {{NRHP url.
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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