1991 - Sea Cliffs Beaches and Coastal Valleys of San Diego County Some Amazing Histories and Some Horrifying Implications (Paperback) → Hardcover ISBN-13: 9780520074330 ISBN-10: 0520074335 Genres: Science & Math, Outdoors & Nature ? 1984 - Sea Cliffs Beaches and Coastal Valleys of San Diego County Some Amazing Histories and Some Horrifying Implications (Hardcover) → Paperback ISBN-13: 9780520051188 ISBN-10: 0520051181 Genres: History, Science & Math, Engineering & Transportation ? |