![Mark Williams On The Rails](https://image.tmdb.org/t/p/w342/aXrIVy7rBRCZr5MnNXtZ85MOwv6.jpg)
1 Season
10 Episode
Mark Williams On The Rails - Season 1 Episode 4 Moving Mountains
Mark Williams discovers how a curious engine used to transport slate down the Welsh mountains inspired an amazing railway through the Rocky Mountains.
- Year: 2004
- Country: United States of America, United Kingdom
- Genre: Documentary
- Studio: Discovery
- Keyword: industrial revolution, train, railroad, steam locomotive
- Director:
- Cast: Mark Williams