| GMD | Text |
| Classification | 508.316 MCC |
| Publisher | Washington, D.C, National Geographic Society, c1988 |
| Subject | Stream ecology -- Juvenile literature.Rivers -- Juvenile literature.Canoes and canoeing -- Juvenile literature. |
| Description | 32, [2] p. : col. photos. ; 28 cm. |
| ISBN | 9780870447419 |