The Hoover Dam (United States Landmarks) by Luke Gabriel
English | Jan. 1, 2014 | ISBN: 1623239567 | 28 Pages | PDF | 30 MB
English | Jan. 1, 2014 | ISBN: 1623239567 | 28 Pages | PDF | 30 MB
Describes the history of the Hoover Dam, why and how it was built, and how it works.