A photo of Pullman Mountain.
By Geology and Ecology of National Parks
June 1990 (approx.)
Detailed Description
Spires and cliffs of igneous rocks on Pullman Mountain in the Chisos Mountains are part of the eroded remnants of a plutonic and volcanic complex that formed about 34 million years ago (Deux and others, 1994).
Sources/Usage
A photo of Pullman Mountain.