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Discovering Crater Lake: A Learning and Activitybook (Discovery Library)
Discovering Crater Lake A Learning and Activitybook - Discovery Library Author:Nancy Field, Sally Machlis Discovering Crater Lake explores the formation of a crater, pinnacles and other geological features. It covers such topics as scientific research in deep water lakes, native plants and wildlife, winter survival, Indian legends; and history of modern people. Includes a sheet of realistic, colored forest stickers.