- Walla Walla County, Washington has 1,270.0 square miles of land area and is the 26th largest county in Washington by total area. Walla Walla County, Washington is bordered by Franklin County, Washington, Columbia County, Washington, Umatilla County, Oregon, and Benton County, Washington.
- More Sites in Washington (archive.org)
This rockhounding page no longer exists but a partial copy was captured by the Internet Archive in March 2013. Most images and map links are no longer valid but you can get some tips on a few rockhounding sites.