Scottish shale Scottish shale

Polbeth No. 21 mine

West Calder, Midlothian
Local authority:
West Lothian
Seams worked:
Broxburn Shale
Current status of site:
Contractor's yard within industrial estate
Regional overview:


Inclined adit

Serving Addiewell Chemical Works

Polbeth No. 21 mine dipped steeply to the south west exploiting Broxburn Shale lying beneath the town of West Calder, and linking with other workings.

Shale-field: Polbeth and Gavieside shale-field.

Mapped by the Ordnance Survey of c.1895, showing the mine in operation.

  • Location & workings at Polbeth No.21 mine
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  • External references
      • Coal Authority Mine Abandonment Catalogue No. 5149, showing workings in the Broxburn or Under Shale from Polbeth No. 21, abandoned in 1907.
      • Agreement No. 363. Licence under the Explosives Act for a mixed explosives store at No.21 mine, Polbeth, March 1905. Young's Paraffin Light & Mineral Oil Company Ltd; Inventory of Leases, Agreements &c. BP Archive 215854.