| GMD | Books![]() |
| Language | English |
| Classification | 557.97 ALL 1986 |
| Publisher | Portland, Or., Timber Press, 1986 |
| Subject | Erosion - Columbia PlateauGlacial landforms - Columbia PlateauGeology - Columbia PlateauGeomorphology - Columbia River Valley |
| Description | 213 p. : ill., maps, portrait ; 24 cm. |
| ISBN | 9780881922153 |