Andrew J. Dunar teaches history at the University of Alabama in Huntsville. He is the co-author of Building Hoover Dam: An Oral History of the Great Depression. He answers a few questions about ...

We decided to make a quick detour to the iconic Hoover Dam on our way home. I was excited to see a sign on the road to the bridge that told ... 21,000 people worked to build the dam.

He enlisted the interest of the Pacific Bridge Company ... “We’ll build anything for anybody, no matter what the location, type, or size.” After Hoover Dam, Six Companies stood as a ...