Illustrated. Paperback. 481-520pp. Thin octavo [24 cm] Tan and black printed wraps. Very good plus. There are two ink stamps on the front wrap. There are several very tiny closed tears in the fore edge margins of the front wrap and the first couple of pages. Item #28009
Reprinted for private circulation from The Journal of Geology, Vol. XXXVIII, No. 6, August-September 1930. The author has written "Compliments of the author" on the front wrap.