Chart of Lake Saint Clair; projected from trigonometrical surveys executed under the direction of Lt. Col. W.F. Raynolds, Corps of Engineers, & Brvt. Brig. Genl. U.S.A. in 1867 & 1868 and Major C.B. Comstock, Corps of Engineers, U.S.A. & Brt. Brig. Genl. U.S.A. in 1870 & 1871; drawn in 1873 and 1874; triangulation by Capt. F.U. Farquhar Corps of Engrs. and First Lieuts. J.F. Gregory and W.R. Livermore Corps of Engrs. and Assistants G.Y. Wisner and A.R. Flint; off shore hydrography by Lieuts. J.F. Gregory and W.R. Livermore; shore line topography & and hydrography by Lieuts. J.F. Gregory, W.R. Livermore and B.D. Green Corps of Engrs. and Assistants O.N. Chaffee, J.R. Mayer, Albert Molitor, A.C. Lamson & F.M. Towar; compilation and drawing for engraving by Assist. Edward Molitor.; Chart of Lake St. Clair Image University of Michigan Public content