  1983 - A Geologic Time Scale 1989 [Cambridge Earth Science Series] (Hardcover) → Paperback, Hardcover ISBN-13: 9780521247283 ISBN-10: 0521247284 Genres: Science & Math, Engineering & Transportation ?  1983 - A Geologic Time Scale 1989 Wallchart [Cambridge Earth Science Series] (Paperback) ISBN-13: 9780521247306 ISBN-10: 0521247306 Genre: Science & Math ?  1983 - A Geologic Time Scale 1989 [Cambridge Earth Science Series] (Paperback) → Paperback, Hardcover ISBN-13: 9780521289191 ISBN-10: 052128919X Genres: Science & Math, Engineering & Transportation ? |
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