1. Topographic reconnaissance map of Innoko-Iditarod region, Alaska / Geological Survey. Creator: Geological Survey (U.S.) Published / Created: 1921 Call Number: 848 In6 1921 Container / Volume: BRBL_00633 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Topographic reconnaissance map of Innoko-Iditarod region, Alaska / Geological Survey.