Verlag: State Geological Survey of Kansas Oil and Gas Investigations no. 28, 1963, 90 pp. + folded cross-section in rear pocket., 1963
Anbieter: Eryops Books, Stephenville, TX, USA
Soft cover. Softcovers; ex-corporate library; minor shelfwear w/ light creasing of corners of wraps and leaves; last two leaves w/ small tear along top edge; o/w in good condition.