Corps of Engrs., War Dept.,
U. S. W. B. and U. S. G. S.
Corps of Engineers, War Dept.
Do.

Corps of Engrs., War Dept.
and U. S. G. S.

Corps of Engineers, War Dept

IMPORTANT GAGES-MISSISSIPPI RIVER, OHIO RIVER TO MINNEAPOLIS, MINN.-Continued

1 Gage is on Ohio River, 2.2 miles above Mississippi River.