![](https://image.tmdb.org/t/p/w500/xQppCwSbPzLYzTrEAutYvpnMWAz.jpg)
description About
How the process of building Britain's canals resulted in furthering geological knowledge, as surveyor William Smith created the first geological map of England and Wales.
Info
- verified Status: Ended
- person By: Unknown
- calendar_month Release Date: 2015-08-28
- video_camera_front Companies BBC
- tag Season: Season 1
- timer Episode Runtime: 29 Mins
- star Rating: 0 / 10
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