How Do They Do It?
Paddleboats/Waterfall Defence System
Season 14 Episode 18 of 20
The construction and maintenance of the Mississippi River's famous steam-powered paddleboats, and the creation of the powerful 'waterfall' defence system
How Do They Do It? airs on Discovery History at 10:30 PM, Thursday 31 July. (Subtitles.)
Topics
Education ➝ Science ➝ Factual Topics
General