Verlag: Maryland Geological Survey Special Publ. Vol. I, pt. IV, 1897, pp. 231-401., 1897
Anbieter: Eryops Books, Stephenville, TX, USA
Soft cover. Reprint/offprint; softcovers; wraps w/ several chips missing along edges and lightly stained/soiled; minor shelfwear w/ light creasing of corners of leaves; small chips on lower corner of several leaves; last four leaves w/ 3 small tears on fore-edge; o/w contents in good condition.