It was built in two sections over a span of twenty years , beginning in 1818 .
The Lehigh Canal or the Lehigh Navigation Canal is a navigable canal , beginning at the mouth of Nesquehoning Creek on the Lehigh River in Eastern Pennsylvania .
Lehigh Canal was built in two sections over a span of twenty years , beginning in 1818 .
The Lehigh Canal or the Lehigh Navigation Canal is a navigable canal , beginning at the mouth of Nesquehoning Creek on the Lehigh River in Eastern Pennsylvania .