The left tibia of a juvenile seal (Phoca sp.) was recovered from the interchannel sand and gravel facies of the Twin Elm ridge near Ottawa, Ontario. The sand and gravel were deposited in the Champlain Sea as subaqueous outwash, indicating the tibia must have been introduced after postmortem disarticulation and transport. The high degree of abrasion indicates either lengthy transport or high flow energy within the outwash channel.

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