Editore: Fortieth annual report of the Ontario Department of Mines, being Vol. XL, part V, 1931, 67 pp. + folded map in rear pocket., 1931
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft Cover. Condizione: Good. ORIGINAL PUBLICATION; Softcovers; ex-library; light creasing of corners of wraps and pages; o/w in very good condition.