Alaska — Cape Decision Lighthouse

The Cape Decision lighthouse was activated on March 15, 1932 and was the last of sixteen major lighthouses constructed in Alaska. The lighthouse consisted of a 75-foot square main tower with a one-story structure wrapped around its base with living space for three lighthouse keepers. The basement housed generators for the light and fog signal, boilers for the heating plant, and cisterns for storing drinking water and cooling water for the engines. The light utilized a third-order Fresnel lens and a 300-watt bulb which produced two white flashes every 15 seconds. Cape Decision was the first lighthouse in Alaska to be powered by electricity and, in 1974, was fully automated.

Cape Decision Lighthouse was placed on the National Register of Historic Places in 2005.

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