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Martin L. Keen has written 4 work(s)
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Discusses the fossil record of the succession of life on Earth, describes the various types of dinosaurs, and examines the possible reasons for dinosaurs' disappearance
Paperback:
9780448040844 | Price Stern Sloan, August 1, 1982, cover price $3.95 | About this edition: Describes the periods of time from five billion years ago to sixty million years ago and the big animals which lived during some of that time.
Library:
9780671328207 | Julian Messner, November 1, 1979, cover price $8.29 | About this edition: An introductory guide to collecting and identifying rocks and minerals.
Hardcover:
9780671326739 | Julian Messner, January 1, 1975, cover price $6.25 | About this edition: An introduction to soil, its formation, importance, conservation, various kinds, and the plant and animal life found in it.
Paperback:
9780843142631 | Allan Pubs, January 1, 1962, cover price $2.95 | About this edition: Book by Wolf, Donald D.
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