Building the Hoover Dam (Engineering North America's Landmarks)

Sinopsis

The Hoover Dam is called one of American's seven modern civil engineering wonders. Hurdles to clear included building access roads, diverting the Colorado River, and creating a way to cure massive amounts of concrete quickly enough to complete the project on time. Readers will learn how what was then the world's tallest dam was built in a region that presented challenges in geography and weather.

"Sinopsis" puede pertenecer a otra edición de este libro.