• Understand the effect of dams on physical stream processes.
• Demonstrate how physical alterations of streams lead to long-term effects on habitat both upstream and downstream from the alteration.
• Illustrate how human systems become dependent on large environment-altering structures and, more specifically, to make students aware of how enmeshed various government agencies are in this and other water issues.
• Illustrate that the point-of-view of each stakeholder often determines how facts are interpreted and presented to defend or oppose a proposed action.

Snake River; salmon; dam removal; fishing; irrigation; power generation; water navigation; water rights; water conflicts; waterways; environmental decision-making; Walla Walla Indians; Pacific Northwest