1992. Wiley, New York. 638 pp. numerous fig./phot. partly col. Comes with study guide (308 pp.), instructor's manual (174+63 pp), and transparency acetates (many). Orig. illustr. boards, very good, 4to.
1975. Reprint: Ann. Ass. Amer. Geogr. 65-2; pp. 297-312, 14 fig. Comes with 2 other papers by the same author on drumlins (14 and 13 pp.). Orig. wrps. very good.