Coast Guard seeking public comment on removal of lenses at 2 Michigan lighthouses

CLEVELAND — The U. S. Coast Guard is proposing to remove the Fresnel classical lenses from two Michigan lighthouses.

The impacted lighthouses are Grand Marais Harbor of Refuge Inner Lighthouse and Frankfort North Breakwater Light.

The Fresnel classical lenses will be replaced with modern LED lanterns, which are more dependable and energy efficient. The classical lenses are being removed to preserve them. Due to the harsh environmental conditions, temperature fluctuations, and ultraviolet rays, the lenses slowly deteriorate in lighthouses.

The removed lenses may be loaned to local museums so they can be displayed to the public and maintained in a controlled environment.

Public comments about the Fresnel classical lens removal can be made by emailing wayne.e.kean@uscg.mil.

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