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...