11. Four districts were created covering the eastern Idaho Snake River plain . 12. The western part has steeper coasts, while on the east side river plains dominate. 13. It is the westernmost of the young lava fields accupying the Snake River Plain . 14. Before the dam was constructed, the village of Les Salles-sur-Verdon occupied the river plain . 15. Cinder cones dot the landscape of the Snake River Plain . 16. The nesting ground is a large flat river plain , larger than 3 football fields. 17. Behind the coastal river plain the Hodgkinson goldfield was proclaimed on 15 June 1876. 18. This plant grows in the dry cold desert of the western Snake River Plain . 19. The Snake River Plain lies in a distinct depression. 20. It is at the centre of a fertile river plain , surrounded by rolling hill country.
