Recherche dans la collection - Chart of Saint Clair River. Projected from trigonometrical Surveys executed under the orders of Lt. Col. W.F. Raynolds, Corps of Engineers in 1867 and drawn under the direction of Major C.B. Comstock, Corps of Engineers in 1871 & 1872. Survey of the Northern and Northwestern Lakes. Made in obedience to acts of Congress and orders from the Headquarters of the Corps of Engineers, War Department. [cartographic material]