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In page Joseph Frederick Wallet DesBarres:

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In 1756 DesBarres sailed to North America and was with Edward Boscawen's fleet when it attacked the Fortress of Louisbourg in 1758. He distinguished himself by capturing a French entrenchment at Kennington Cove.[1]: 54  Soon he was put to work charting the Gulf of St. Lawrence and the approaches to Quebec, information that would be used the following year in James Wolfe's assault on the City of Quebec. In 1760 he was at Halifax to prepare plans for the city's defences and naval yard.[citation needed]