USGS Monthly Evening Lecture Series
- Title: Rock falls in California's Sierra Nevada: Pursuing explanations for exfoliation and seemingly spontaneous fracture of rock
- Speaker: Brian D. Collins, USGS Research Civil Engineer, Landslide Hazards Program
- Moderator: Mark Reid
- Date Recorded: October 27th, 2016
- Length: 1 hr. 09 min.
- Download video (MPEG 4): Oct16.mp4 (548.2 MB)
- Camera: Mitch Adelson, and Willliam Seelig, USGS