Contributions to Economic Geology, (Short Papers and Preliminary Reports) 1911, Part 1: Metals and Nonmetals Except Fuels Bulletin 530
Washington: Government Printing Office, 1913. red cloth, 9.25" x 6", 400 pages, numerous foldouts, indexed. from the introduction, "This volume is the tenth of a series that includes Bulletins 213, 225, 285, 315, 340, 380, 430, and 470." DQ3. More





