At head of title: 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.
Includes: Authorities -- Light-houses -- Abbreviations -- Sailing directions -- Note -- Water table -- Magnetic variations.
"Aids to navigation corrected to January 1, 1880."
Projected from trigonometrical Surveys executed under the orders of Lieut. Col. W.F. Raynolds, Corps of Engineers, Brvt. Brig. Genl. U.S.A., in 1866, and of Maj. C.B. Comstock, Corps of Engineers, Brvt. Brig. Genl. U.S.A., in 1870, '71, '72, and '73. Published in 1878.