Collection search - Saint Clair River including foot of Lake Huron and St. Clair Flats Canal. Prepared under the direction of Major W. L. Fisk, Corps of Engineers, U.S. Army from surveys made under officers of the Corps of Engineers, U.S. Army, 1887, 1903, with additions and corrections under the direction of Major Chas. Keller, Corps of Engineers, U.S. Army in 1908. [cartographic material]