map quadrangle, 1x2 degree
- Bedrock geology of the Yosemite Valley area Yosemite National Park, California [More info]
- Site explains the general bedrock geology of the Yosemite Valley area.
- Yosemite Valley geologic story [More info]
- Site describes the present understanding of the various geologic processes that contributed to the valley's creation. Links to Yosemite Valley's geologic maps.