1. The GRAND COULEE DAM

2. Located on the Columbia river in NORTHERN-EASTERN WA

3. History and Construction
It is a Gravity Dam meaning it is meant to hold water back using its own material, in this case it is cement.
It was built to produce hydroelectric power and deliver irrigation water for crops.
Construction took 11 years from

4. Surrounding land before the construction of the Coulee Dam

5. Columbia river
Carol Evans - Water is Sacred

6. Surrounding land after the construction
The dam flooded over 21,000 acres of land

7. Hunting and gathering tools1. 2.
Salmon made up 80% of the Spokan’s diet
1) Gathering basket that contained picked goods
2) Women cooking salmon on an open fire
3) Fishing bag used to store collected fish 3.

8. Effects of the dam on the Spokan people
At first the Spokan people weren’t told how the dam was going to affect their lifestyle.
The dam removed 1100 miles of natural salmon spawning water
The dam damaged the migration pattern of the salmon
The dam abruptly ended a way of life that had sustained the Spokan People for over thousands of years
Grand Coulee hurt fishing production
Blocked the annual migration of salmon, a food resource relied on for at least 5,000 years