Verlag: United States Department of the Interior (Bureau of Mines), Washington, DC, 1968
Anbieter: Second Edition Books, Butte, MT, USA
Soft cover. Zustand: Very Good -. Stapled spine binding. Tight binding, clean interior. Pale green wraps are faded on the edges and spine, some shelf smudges on the front. Interior is clean and unmarked with b/w and some color photos, and pull out data sheets. 57 pages.