Easterbrook, Don J., 1935- Easterbrook, Don J., 1935- Principles of geomorphology [by] Don J. Easterbrook. - New York, McGraw-Hill [1969] Includes bibliographies. LCCN: 69013207 Subjects--Topical Terms: Geomorphology. LC Class. No.: GB55 / .E2 Dewey Class. No.: 551.4