Saint Lawrence River chart no. 1 : projected from trigonometrical surveys / executed under the orders of Major C. B. Comstock, Corps of Engineers, Brvt. Brigadier General U.S.A. in 1871, 1872 and 1873 ; Hydrography of Long Sualt and Mille Roche Rapids by

Beinecke Rare Book and Manuscript Library > Saint Lawrence River chart no. 1 : projected from trigonometrical surveys / executed under the orders of Major C. B. Comstock, Corps of Engineers, Brvt. Brigadier General U.S.A. in 1871, 1872 and 1873 ; Hydrography of Long Sualt and Mille Roche Rapids by