Caution.A ridge of rocky ground exists between Ile Brion and Rochers aux Oiseax. Although the least charted depth is about 10.3m, shallower depths may exist and the swell builds on this ridge. Groundings have occurred. Ships are advised not to cross this ridge.Le Corps Mort (Deadman Island) (47°16'N., 62°12'W.), located 7.5 miles W of Ile du Havre Aubert, the S island of the main Madeleine group, has steep sloping sides and when seen from the E or W resembles a pyramid. From the N or S, at a distance, it resembles a recumbent human form, from which it gains its name. It is rocky and the W side is moderately steepto, but a reef extends 1 mile SE from the E end. Soundings give little warning when approaching the island. The Iles de la MadeleineMain Islands

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