
Early morning exploration of the Topaz Lake Granodiorite near Sonora Pass. The area is famous for glacial polish on the granites as well as the noncoformity…

Discussing Litle Walker Caldera, Sierra Uplift, Sherwin Glaciation and Leavitt Falls hanging valley.

West Walker River Ghost Forest. The tree rings from these Jeffery Pine stumps indicate they grew from AD 900 -1100 with others growing between AD 1210 and 1350.…