Verlag: Kansas Geological Survey Bull. 32, 1940, 64 pages., 1940
Anbieter: Eryops Books, Stephenville, TX, USA
Soft Cover. Zustand: Good. ORIGINAL PUBLICATION; Softcovers; ex-library; light creasing of corners of wraps and pages; a couple of small nicks on paper covering of spine; o/w in good condition.