Appreciating Earth YouTube Videos & Presentations

Geology of Petaluma Watershed 3/10/21
The Rock Beneath Your Feet (Rockd App) 2/26/21
Click here for more Rockd App instructions & info
Geologic Orientation in Sonoma County 01/2020
Sonoma Mountain Geologic Evolution  6/4/20
Sonoma County Geology: links between wildfires & earthquakes 9/16/20
I'm just getting started, more to come in the near future...