Robinson, A.H.W. Wallwork, K.L. Map Studies with Related Field Excursions - Steel. R.W. - Longman Group Limited London 1970 - 363p. Fig. Table and Illus. ISBN: 0 582 31067 9 Nat. Bib. No.: 3818 Subjects--Topical Terms: Geography & travel Universal Decimal Class. No.: 912.2 / ROB