Published by Bulletin trimestriel du Service d'Information geologique (S.I.G.) du B. R. G. M., no. 49, 1960, 20 pp., 1960
Seller: Eryops Books, Stephenville, TX, U.S.A.
Magazine / Periodical
ORIGINAL Reprint/Offprint of Journal Article; no covers; minor shelfwear; light foxing of first page; o/w in good condition. Magazine/Periodical.