Twelfth Annual Report of the Director of the United States Geological Survey, Part I - Geology.
Washington, D. C.: Government Printing Office, 1892. 4to. 2 volumes, 675 pp and 597 pp. B&w maps and charts. Covers worn, with stickers on spines and corners bent, soiling. Cover of volume 2 slightly loose in binding. Cover of volume 1 stained on spine. Pages slightly spotted in places, otherwise in good condition. Good Cloth (Item ID: 23113)