Clays and Shale of Minnesota (Bulleting 678)
United States Department of the Interior / Geological Survey, 1919. First Edition. Trade Paperback. 8vo - over 7¾" - 9¾" tall. Good condition. Some fading to exterior. Large chip to back cover. Spine chipped and discolored. Creases and wear to edges of covers. 259 pp. 'Work done in cooperation with..... More