Published by US Dept of Interior, Washington, DC, 1969
Seller: Liberty Book Shop, Avis, PA, U.S.A.
First Edition
Paperback. Condition: Very Good. First Edition; First Printing. Slight edge rubbing, institutional stamp on front cover. ; Bureau of Mines Report of Investigations #7241; Small 4to 9" - 11" tall; 14 pages.