Editore: Illinois State Geological Survey., 1969
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft cover. Condizione: Very Good. ORIGINAL 1969 PUBLICATION; includes the two large folded maps in rear pocket (complete for this publication); softcover; ex-library; light browning of covers; light crease on fore-edge of leaves; o/w in very good condition. Journal.
Lingua: Inglese
Editore: Illinois State Geological Survey, Urbana, 1969
Da: Cambridge Books, Cambridge, MN, U.S.A.
Prima edizione
Soft cover. Condizione: Fine. 1st Edition. 29 pages : maps (some color, 2 folded in pocket) ; 26 cm. Both the book and the maps in perfect condition.