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THOMPSON'S COAST PILOT. 69 FROM PASSAGE ISLAND LIGHTHOUSE TO ROCK HARBOR, ISLE ROYALE. Run out from the Lighthouse EbyS 2 miles, and' haul up NELE 118 miles, to Isle Royale, passing Siskowit Bay close to; bring the Lighthouse at Rock Harbor to bear NWiW, and run for it until 'well up to the group of islands at the entrance to the harbor; run through, leaving the first small patch of islands to port which lie NE from the Lighthouse, and haul up into the bay to the SW, and come to in 12 to 16 fathoms water, mud bottom, closing in the Lighthouse. 'There is a good channel on the SW side of this first group of islands next to the Lighthouse point, but is not so straight as the first one mentioned. The group is called Middle Islands, and can be passed on either side. From Rock Harbor to White Fish Point SEbyE+E 188 miles. COURSES AND DISTANCES ON LAKE SUPERIOR. From White Fish Point to Manitou Island WNW 24 miles; thence WbyN4N 100 miles, to Manitou Island Lighthouse. SW 3 mile from the Lighthouse you will find 15 fathoms water, mud bottom. © | . From White Fish Point to the Carabon Island NW 55 miles. ~~ From Carabon Island to Small Lake Harbor, C. W., NW4N 117 miles. Good holding ground under Carabon Island in 5 to 6 fathoms, clay and sand. : From White Fish Point to the east side of Michipicotton Island NWbyN4N 75 miles ; to the Copper Mines on the south side of the island NW2N 73 miles. - .From White Fish Point to Michipicotton River, NbyW 60 miles, to Cape Gargantua; thence NbyHi 20 miles ; thence ENE 7 miles, to the river. This river is navigable for boats 15 miles, to the falls. | From White Fish Point to Montreal River, C. W., NbyE}E 35 miles. This river is 20 fathoms wide, with 5 to 6 feet water f over the bar. 3 From White Fish Point to Cape Thunder, C. W., NWbyW