Industrial History Online

Industrial History Online

Boulby Alum Works

Caption :- Entrance to alum liquor channel tunnel which was constructed when cliff erosion damaged the channel which was previously on the surface. This prevented further damage from cliff falls.

Media Reference :- Boulby_liquor_tunnel_entrance.jpg
Key Words :- Boulby alum liquor tunnel
Original Media Date :- 24.May 2012
Copyright :- cc-by-nc-sa/4.0 - © Jane Ellis - IHO

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