Sonora author and climber Dan Arnold will give a program before the Tuolumne Group of the Sierra Club on Thursday.
Sonora author and climber Dan Arnold will give a program before the Tuolumne Group of the Sierra Club on Thursday. Simon and Schuster
Sonora author and climber Dan Arnold will give a program before the Tuolumne Group of the Sierra Club on Thursday. Simon and Schuster

Sierra Club presents Sonora mountaineer/author Dan Arnold

October 11, 2014 07:06 PM