"First made for freight boats called bateaux, it was upgraded between 1840 and 1850 to accommodate larger boats towed by mules and horses."
"Day in and day out, they labored with the bateaux and canoes, fought mosquitoes and other kindred pests, or sweated and swore at the portages."
"Dumas assigned a detachment to guard the captured artillery and stores, and he sent to Fort Duquesne for relief for the wounded and bateaux to ship the English goods."