1808  (1897)  At eleven we reached the head of the line where we put ashore to gum and repair our canoes.
1940  After Providence we travelled eighty-nine miles downstream to the "head of the line" . . . this part of the river is called "line" because, in the days before steamers, the scow, boats and canoes had to be tracked upstream with tow-lines.
1943  At the Head of the Line, eight miles above Simpson, we camped.