The dark ledge in the lower right corner of the photograph is the top of the Winkler Formation. The Winkler Formation also crops out as the light-colored rocks in the middle distance. 101400 Another view of the same outcrop. The Winkler Formation is seen in the lower left. A few stakes marking location of some Swertia albomarginata can be seen in the lower right corner.
Round Valley is in the background.
Pinto Mountain . This is my location 3, where I have a study plot of Swertia albomarginata . Winkler Formation at Pinto Mountain. The Winkler Formation crops just above the base of Pinto Mountain. This is one of three locations in the eastern Mojave where it does.