Digest>Mar/Apr 2011

Photo Caption:

Lighthouse keeper John N. Hanson in 1947 is shown polishing the glass prisms in the 2,400 pound candlepower Fresnel lens at the Duluth Harbor South Breakwater Outer Lighthouse, which exhibited a fixed green light.
Back to the edition of: Mar/Apr 2011

Story:

Duluth Harbor’s Breakwater Lighthouses
Back to the edition of: Mar/Apr 2011

All contents copyright © 1995-2024 by Lighthouse Digest®, Inc. No story, photograph, or any other item on this website may be reprinted or reproduced without the express permission of Lighthouse Digest. For contact information, click here.

Subscribe
to Lighthouse Digest



USLHS Marker Fund

Lighthouse History
Research Institute

Shop Online











Subscribe   Contact Us   About Us   Copyright Foghorn Publishing, 1994- 2024   Lighthouse Facts     Lighthouse History