1. Saint Lawrence River chart no. 2 : projected from trigonometrical surveys / executed under the Creator: U.S. Lake Survey Published / Created: 1873] Call Number: 7345cea 1873A Container / Volume: BRBL_00381 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Saint Lawrence River chart no. 2 : 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 Galop Rapids by Lieut. W.R. Livermore
2. Saint Lawrence River chart no. 4 : projected from trigonometrical surveys / executed under the Creator: U.S. Lake Survey Published / Created: 1876 Call Number: 7345cea 1876 Container / Volume: BRBL_00381 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Saint Lawrence River chart no. 4 : projected from trigonometrical surveys / executed under the orders of Major C. B. Comstock, Corps of Engineers, Brvt. Brigadier Gen. U.S.A. in 1871, 1872 and 1873 ; Topography and rest of hydrography by Assistants A.C. L