Vermilion Cliffs National Monument, AZ / BLM land. Petrified sand dunes with red and yellow banding at sunrise. 103H2

Vermilion Cliffs National Monument / Dawn on petrified sand dune formations with snowball sand verbena, Abronia fragrans, & prairie evening primrose, Oenothera albicaulis. 0504V9

Vermilion Cliffs National Monument / Banded strata with iron intrusions in petrified sand dune formations. 0504V5