Lesson plan
Wallula Gap
Basin Wallula Gap ( ) is a large water gap of the Columbia River in the Northwestern United States, in Southeastern Washington. It cuts through the Horse Heaven Hills basalt anticlines in the Columbia River Basin, just south of the confluence of the Walla Walla and Columbia rivers. The National Park Service has recognized the gap as a National Natural Landmark, as a site that provides an important illustration of the geological history of the United States.
Article summary
Basin Wallula Gap ( ) is a large water gap of the Columbia River in the Northwestern United States, in Southeastern Washington. It cuts through the Horse Heaven Hills basalt anticlines in the Columbia River Basin, just south of the confluence of the Walla Walla and Columbia rivers. The National Park Service has recognized the gap as a National Natural Landmark, as a site that provides an important illustration of the geological history of the United States.
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.