1. Progress map of the U.S. Geographical Surveys west of the 100th meridian. 1877 : to accompany the Creator: Geographical Surveys West of the 100th Meridian (U.S.) Published / Created: 1877 Call Number: 80b 1877 Container / Volume: BRBL_00537 Image Count: 1 Resource Type: Maps, Atlases & Globes Found in: Beinecke Rare Book and Manuscript Library > Progress map of the U.S. Geographical Surveys west of the 100th meridian. 1877 : to accompany the annual report of 1st lieut. George M. Wheeler / 1st lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army, in charge ; under the direction of Brig. Gen. A.A.