jrs_87
Mechanical
- Mar 24, 2019
- 224
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
During test borings in 2008, consultants found that the dam’s foundation was not built on solid bedrock in the 1950s. Rather, there is some sand and gravel under it, which could liquefy in a big quake, causing the dam potentially to slump and fail.