Published by Gulf Coast Association of Geological Societies., 1970
Seller: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condition: Very Good. ORIGINAL 1970 Article, disbound from GCAGS Transactions volume; no covers; in very good condition. Journal.
Published by from: Eighth World Petroleum Congress, Proceedings, Vol 3, Ldn, 1971
Seller: Larry W Price Books, Portland, OR, U.S.A.
Pamphlet. Condition: Very Good. pp. 95-107, Illus, 4to, Extracted from orig vol, begins with title page, trimmed & stapled, thus is like a pamphlet, VG.