Achieve 3000 "American Indians: Once, They Fished"

Help

Are there less salmon in the Columbia River because it was overfished or because of polution?

overfished

When the Dalles Dam was built along the Columbia River, whose way off life was changed forever?

The Native Americans who had lived there for thousands of years.

White settlers had an impact on the Columbia River. true or false?

true

Unlock this slideshow and over 4 million more with Baamboozle+

Try slideshows