United States Coast Guard; United States Department of Homeland Security (2013). Light List: Great Lakes(PDF). Vol. VII. Washington, DC: Government Printing Office. p. 40. COMDTPUB P16502.7. Archived from the original(PDF) on May 9, 2013. Retrieved Jan 10, 2015.
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United States Coast Guard; United States Department of Homeland Security (2013). Light List: Great Lakes(PDF). Vol. VII. Washington, DC: Government Printing Office. p. 40. COMDTPUB P16502.7. Archived from the original(PDF) on May 9, 2013. Retrieved Jan 10, 2015.