Published by The American Geological Institute and Geoscience Information Survey., 1969
Seller: Eryops Books, Stephenville, TX, U.S.A.
Soft cover. Condition: Very Good. ORIGINAL PUBLICATION; softcovers; ex-corporate library; light tanning/foxing of spine and covers; light creasing of lower corner of rear cover and a few leaves; o/w in very good condition. Book.