CEN 305 — LAKE HURON, ST. MARYS RIVER, LAKE SUPERIOR, FIRST EDITION, 2000
Chapter 3 — Delete paragraph 176 (Re: Correction promulgated in Monthly Edition No. 02/2014)
Replace by: 176 At the turn at the upper end of Brush Point Course the dredged channel flares broadly to the west. Birch Point Course leads northwest from the turn for about 4 [3.6] miles to the deep water in Whitefish Bay and includes dredged cuts through Point Iroquois Shoals and Gros Cap Reefs, ON. The channel has a depth of 30 feet [9.1 m] and is marked at the lower end by a 138.6° lighted range on Birch Point (46°26'00"N., 84°31'24"W.).
(Monthly Edition No. 9/14)