Columbia River Basalt Group
- Franklin County — Thumbnail History (historylink.org)
Franklin County is situated in south-central Washington state. The Columbia River forms its western border and the Snake River forms the southern and eastern borders. The shrub-steppe terrain is composed mainly of bunchgrass and sagebrush. There is little rainfall, but the soil is fertile and can grow anything with adequate moisture…
- Columbia River drainage basin (Wikipedia)
The Columbia River drainage basin is the drainage basin of the Columbia River in the Pacific Northwest region of North America. It covers 668,000 km2 or 258,000 sq mi. In common usage, the term often refers to a smaller area, generally the portion of the drainage basin that lies within eastern Washington.
