Editore: State Geological Survey of Kansas Oil and Gas Investigations no. 9, 1953, 23 pp. + 2 folded cross-sections., 1953
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft cover. Softcovers; ex-corporate library; minor shelfwear w/ light creasing of corners of wraps and leaves; small nick on top edge of last 3 leaves; small chip on fore-edge of last leaf; o/w in good condition.