ISBN 9781288967063 books & textbook
Contributions to Economic Geology, 1907, Part I, Metals and Nonmetals Except Fuels, Cement and Concrete Materials: Usgs Bulletin 340-H
Burchard, E. F. Richardson, G. B.
BiblioGov /2013-03-22 Paperback / 38 Pages
isbn-10: 1288967063 / isbn-13: 9781288967063