projected from a trigonometrical survey executed under the orders of Lieut. Col. W.F. Raynolds Corps of Engrs. Brvt. Brig. Genl. U.S.A. in 1864, 65, 66, 67, 68 & 69, and of Major C.B. Comstock Corps of Engrs. Brvt. Brig. Genl. U.S.A. in 1870, 71, & 72, and from local surveys made under the orders of Capt. J.N. Macomb Topl. Engrs. in 1855, of Capt. G.G. Meade Topl. Engrs in 1859, and of Col. J.D. Graham Corps of Engrs. in 1863 ; the Canadian shore is taken from Lieutenant Bayfield's English Admiralty charts ; compiled and reduced for engraving by J.U. Mueller assistant U.S.L.S. ; engraved in the Engineer Bureau
Relief shown by hachures and spot heights. Depths shown by soundings.
Includes dangers, sailing directions, magnetic declinations, lighthouses and water table.
"Aids to navigation corrected to August 1889."
Stamped in lower margin: Aids to navigation corrected from information received to Oct 15 1893."
Note issued 1894 tipped-on in upper left corner.
IIIF Manifest