 Complete the following phrase:  The lower canal began as a collection of removed stone obstructions and low rock dams with a system of wooden bear-trap locks invented by Lehigh Navigation Company managing partner Josiah White, who debugged scale models of the lock design on Mauch Chunk Creek. Experiments with the bear-trap locks gave Bear Lane, an alley in Mauch Chunk off Broadway in todays Jim Thorpe, Pennsylvania, its name. White and partner Erskine Hazard, who operated a wire mill, foundry and nail factory at the Falls of the Schuylkill, needed energy. After learning the value of anthracite during the 