This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1902 edition. Excerpt: ... I mile long north and south, and has a least depth of 7 feet. At the northwestern edge there is a square crib with a light flashing red and white every 30 seconds, and visible 17 miles, serving as a guide for vessels bound from Detour to the Straits of Mackinac by the South Channel. The south end of the reef is marked by a second-class red' nun buoy moored in 20 feet of water. Charts: Straits of Mackinac: North End of Lake Michigan; Lake Huron; Lake Michigan. III.--North Shore, St. Ignace To Cape Hurd, At South Side Of Entrance To Georgian Bay. (a) From Point St. Ignace to Detour Passage. A detached spot with a depth of 17 feet lies i mile SE. by S. off the southeasterly point of Rabbits Back Peak. Another detached 17-foot spot lies 1 i miles offshore about halfway between Rabbitts Back Peak and Gross Point. East of Gross Point, at a distance of g mile, there is a 9-foot spot. From the southerly end of He St. Martin, rocky shoals and spits with depths of 4 to 14 feet extend south and southeast 1J miles. South of Point St. Martin, at a distance of jj mile, there is a rocky reef with a least depth of 8 feet, running 1J miles in an east and west direction. There is good water between the point and the reef. Go: ise Island Shoal, a dangerous reef lying 3 miles southwest of Goose Island, has a least depth of 5 feet; it extends j mile north and south, and is i mile in breadth. Great care should be taken to avoid it. Goose Island is surrounded by shoals, and a rocky reef extends from its southerly end, 1 mile in a SSE. direction. Along the coast from Point Fuyards to Beaver Tail Point, there are many indentations formed by the islands of Les Cheueaux. The inlets and channels between these islands have deep water, but, on account of the...