1. Plan of Pittsburgh and adyacent country, surveyed by Wm. Darby. Published / Created: [1825?] Call Number: 774 P68 1825 Container / Volume: BRBL_00500 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Plan of Pittsburgh and adyacent country, surveyed by Wm. Darby.