- Bonneville Flood (Wikipedia)
The Bonneville flood was a catastrophic flooding event in the last ice age, which involved massive amounts of water inundating parts of southern Idaho and eastern Washington along the course of the Snake River. Unlike the Missoula Floods, which also occurred during the same period in the Pacific Northwest, the Bonneville flood happened only once.
- Willapa National Wildlife Refuge (Wikipedia)
Willapa National Wildlife Refuge is a National Wildlife Refuge located on the shores of Willapa Bay in Washington, United States. It comprises 11,000 acres (45 km2) of sand dunes, sand beaches, mudflats, grasslands, saltwater and freshwater marshes, and coniferous forest. The refuge includes Long Island with stands of old growth Western red cedar and hemlock.