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, corners and spine ends bumped. Pages slightly spotted in places, otherwise in good condition. Good Cloth (Item ID: 23112)