Total Failure of St. Francis Dam Renewed Calls for Oversight

The second deadliest dam failure in U.S. history happened suddenly. The St. Francis Dam was a 205-ft-high concrete gravity arch dam located in San Francisquito Canyon, 30 miles north of Los Angeles.

The B1M - Building the Hoover Dam, 15082018

The incredible construction story behind the Hoover Dam - a 1930s infrastructure project that now provides water and electricity to millions across the south western United States [The first hard hats began to be used during this project, as the concrete surfaces were 'smoothed'!]