Verlag: USGS Bulletin 1120, 1963, 247 pp. + 15 plates + 1 table in pocket., 1963
Anbieter: Eryops Books, Stephenville, TX, USA
Soft cover. Softcovers; ex-library; minor shelfwear w/ lightly bumped corners; upper and lower corners of rear pocket split; o/w in good condition.