Latarnia Isle Royale (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Latarnia Isle Royale" in Polish language version.

refsWebsite

Global rank Polish rank

2terrypepper.com

low place

low place

135^th place

384^th place

nps.gov

Isle Royale Lighthouse na stronie National Park Service [3].

terrypepper.com

Menagerie Island Lighthouse [1].
The 300mm Acrylic Optic [2].