United States, Arizona, Navajo, Navajo Nation. Ca 6 mi N of Kayenta on Hwy to Monument Valley. Just south of diatreme (volcanic neck). Ca 4 mi ENE of diatreme to a large outcrop of Cedar Mesa sandstone. Slickrock community. Pinus edulis, yucca angustissima, Rhus, Bouteloua gracilis, Enneapogon desvaux