| GMD | Text |
| Classification | 551 M534 |
| Publisher | London, Macmillan Children's Books, c1980 |
| Subject | Geology -- Juvenile literature.Geological features Juvenile literature. |
| Series | Exploration and discovery. |
| Description | 33 p. : ill. ; 28 cm. |
| ISBN | 9780333275436 |
| Additional ISBN | 0333275438 |