Zinc and Lead Deposits of the Upper Mississippi Valley.
Washington, DC: Government Printing Office, 1907. Paperback. Small 4to. Stiff tan wrappers with modern brown cloth tape spine. xii, 155pp. Figures, line drawings, 3 partly-colored maps (one foldout), 2 large loose folding maps. Very good. Wrappers a bit chipped and edgeworn, with several old tape marks, but tight and internally..... More