This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Chert beds EverettPA. Outcrop of the Devonian CorriganvilleNew Creek limestone showing chert dark bands Located at Route Everett Bypass roadcut through Warrior Ridge Bedford County Pennsylvania Taken March See also Bedfordcortwarrior en Jstuby en Jstuby original upload log page en ChertbedsEverettPA Jstuby bytes no of