Title rated 0 out of 5 stars, based on 0 ratings(0 ratings)
Streaming Video, 2005
Current format, Streaming Video, 2005, , Available.
Streaming Video, 2005
Current format, Streaming Video, 2005, , Available. Offered in 0 more formats
The lowland basis around Los Angeles contains the most extensive water conservation and flood control system in the world. In 1917, work began on a system of dams and improved channels to control the floodwaters entering the basin. This program looks at the way this system was built and the problems entailed in its design and construction
From the community