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:
Mesa Verde Pueblo II manos. en Mesa Verde Pueblo II manos nps gov htm National Park Service Rubbing Stones or Small Manos Upper row Left Andesite Right Rhyolite Middle row Left Rhyolite Middle Rhyolite Right Rhyolite Lower row Left Basaltic schist Right Andesite PDUSGov Uploaded with Ancient Pueblo peoples Mesa Verde National