Rise and Fall of the Mountains at Mission Trails Regional Park
1:00:38
OnTopic: Mission Trails Regional Park Forms in Four Phases
9:59
Native Trees of Mission Trails Regional Park
14:23
Chris Hayes: Trump ‘irreparably destroyed’ world order with Zelenskyy blowup
23:22
Southern California Geology | A Volcanic Plug of Dacite Columns
26:48
San Diego Historic Places
44:42
DANGER & AWE IN YOSEMITE VALLEY | How The Earth Was Made (S2, E5) | Full Episode
56:04
Hike with a geologist and learn how erosion forms beautiful landscapes
49:26