13/43 The French on the Allegheny River; the Buried Plates.%--With Louisburg back in their possession and no territory lost, the French went on more vigorously than ever with their preparations to shut the British out of the Mississippi valley; and as but one highway to the valley, the Ohio River, was still unguarded, the governor of Canada, in 1749, dispatched Celoron de Bienville with a band of men in twenty-three birch-bark canoes to take formal possession of the valley. Paddling up the St.Lawrence and Lake Ontario, they carried their canoes across to Lake Erie, and, skirting the southeastern shore, they landed and crossed to Chautauqua Lake, down which and its outlet they floated to the Allegheny River. Once on the Allegheny, the ceremony of taking possession began. The men were drawn up, and Louis XV. |