1. Explorations and surveys south of Central Pacific R.R., War Department : preliminary topographical Creator: United States. Army. Corps of Engineers Published / Created: 1872?] Call Number: 7821 1872 Container / Volume: BRBL_00506 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Explorations and surveys south of Central Pacific R.R., War Department : preliminary topographical map embracing in skeleton a portion only of the notes from surveys made in accordance with Par.II Special Orders No. 109 War Dept., March 18th, 1871 and let