U.S.A., Utah, Uintah, North-sloping hillside west of East Seep Canyon, 2.3 km west of Atchee Ridge Road; Green River Formation, Evacuation Creek Member, Mahogany Bed.
39.7765 -109.1752
39.7765° N, 109.1752° W
1926 meters
1926 m.
On rock or small pebbles at soil surface. Alternating strata of blocky marlstone and channery oil shale. Vascular plant community: Amelanchier utahensis, Artemisia frigida, Artemisia tridentata, Artemisia nova, Atriplex canescens.