Duluth Harbor North Pier Light (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Duluth Harbor North Pier Light" in English language version.

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lighthousefriends.com

Anderson, Kraig (2019). "Duluth Harbor North Breakwater, MN". Lighthousefriends.com. Retrieved 2019-05-05.

"Duluth Harbor North Pier Light". National Register of Historic Places Program. National Park Service. Retrieved 2019-05-05.
Koski-Karell, Daniel; Leigh Cutler (2016-02-26). "National Register of Historic Places Registration Form: Duluth Harbor North Pier Light" (PDF). National Park Service. Retrieved 2019-05-05.
"National Historic Lighthouse Preservation Act Notice of Availability" (PDF). National Park Service. May 7, 2021.

Hollingsworth, Jana (May 14, 2021). "Duluth lighthouse: Free to the right caretaker". Star Tribune.

Pepper, Terry (2003-12-17). "Duluth North Pierhead Light". Seeing the Light: Lighthouses of the western Great Lakes. Retrieved 2019-05-05.

"Historic Light Station Information and Photography: Minnesota". United States Coast Guard Historian's Office. Archived from the original on 2017-05-01.

"Historic Light Station Information and Photography: Minnesota". United States Coast Guard Historian's Office. Archived from the original on 2017-05-01.