Editore: U.S. Department of the Interior, Bureau of Mines, Washington, D. C., 1968
Da: Clausen Books, RMABA, Colorado Springs, CO, U.S.A.
Stapled Wraps. Condizione: Very Good+. Text block clean and tight with minimal wear to wraps. 44p. Size: 4to - over 9¾" - 12" tall. Technical Bulletin.