Columbia River Basalt Group
- Yakima — Thumbnail History (historylink.org)
Yakima is the dominant city of central Washington’s fruitful Yakima Valley and the county seat of Yakima County. It sits on the banks of the Yakima River just below the mouth of the Naches River. A small village located farther south near Ahtanum Creek, which came to be known as Yakima City, emerged in the 1860s, serving the valley’s scattered ranchers…
- Iberian Peninsula (Wikipedia)
The Iberian Peninsula (IPA: /aɪˈbɪəriən/), also known as Iberia, is a peninsula in South-western Europe, defining the westernmost edge of Eurasia. Separated from the rest of the European landmass by the Pyrenees, it includes the territories of Peninsular Spain and Continental Portugal, comprising most of the region, as well as the tiny adjuncts of Andorra, the British Overseas Territory of Gibraltar, and, pursuant to the traditional definition of the Pyrenees as the peninsula’s northeastern boundary, a small part of France. With an area of approximately 583,254 square kilometres (225,196 sq mi), and a population of roughly 53 million, it is the second-largest European peninsula by area, after the Scandinavian Peninsula.
Columbia River Basalt Group map shows main regions of basalt exposure in Washington, Oregon, Idaho and Nevada, USA. (usgs.gov)