- Lopingian (Wikipedia)
The Lopingian is the uppermost series/last epoch of the Permian. It is the last epoch of the Paleozoic. The Lopingian was preceded by the Guadalupian and followed by the Early Triassic. The Lopingian is often synonymous with the informal terms late Permian or upper Permian.
- 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…