Published by United States Bureau of Mines., 1966
Seller: Eryops Books, Stephenville, TX, U.S.A.
Soft cover. Condition: Very Good. Softcovers; staple-bound; ex-corporate library; minor shelfwear; o/w in very good condition. Book.
Published by US Bureau of Mines, Washington DC, 1966
Seller: Liberty Book Shop, Avis, PA, U.S.A.
Condition: Very Good+. Dust Jacket Condition: No Dust Jacket. Lg softbound pamphlet, cond, very sl edge wear. Institutional stamp on front cover, very clean. RI 6724; SC, sm 4to; 8 pages.