- Columbia County — Thumbnail History (historylink.org)
Columbia County, in southeastern Washington, has a population of 4,064 (in 2000), making it one of the more sparsely populated of Washington’s 39 counties. At 868.8 square miles, it is the ninth-smallest county in the state.
- Okhotsk microplate (Wikipedia)
The Okhotsk microplate is a proposed minor tectonic plate covering the Kamchatka Peninsula, Magadan Oblast, and Sakhalin Island of Russia; Hokkaido, Kantō and Tōhoku regions of Japan; the Sea of Okhotsk, as well as the disputed Kuril Islands.