Published by Econ Geol, 1988
Seller: Larry W Price Books, Portland, OR, U.S.A.
Magazine / Periodical
Pamphlet. Condition: Very Good. Vol 83, pp. 30-45, Illus, 4to, Extracted from orig vol, begins with title page, trimmed & stapled, thus is like a pamphlet, last page in facsimile, else VG.