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

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...

Coast Guard proposes removal of lenses from 2 Duluth lighthouses, replacement with more energy efficient LEDs

Coast Guard proposes removal of lenses from 2 Duluth lighthouses, replacement with more energy efficient LEDs
CLEVELAND — The Coast Guard announced, Wednesday, a proposal to remove the Fresnel Classical Lenses from two lighthouses in Duluth, Minnesota, this fall in partnership with the Minnesota State Historic Preservation Office. The two lighthouses affected are the and Duluth Harbor North Pier Light. The Fresnel Classical lenses would be replaced with modern light emitting diode lanterns which are more...