Scottish shale Scottish shale

Deans No.3 mine & quarry (W.L.O.C.)

Bathgate, Linlithgowshire
Local authority:
West Lothian
Seams worked:
Stanley Shale, Dunnet Shale
Post 1894
Current status of site:
Landscaped woodland within Deans industrial estate
Regional overview:


Inclined shaft

Serving Deans Crude Oil Works

NOTE: This page relates to Deans No. 3 Mine operated by the West Lothian Oil Company, which was at a different location and entirely separate from Deans No. 3, opened subsequently by the Pumpherston Oil Company.

NOTE: There is some evidence that "Mine No. 2" and "Mine No. 3" may have been incorrectly labelled on the 1897 O.S map, and that No. 2 should be labeled as No. 3 and vise versa. Until further evidence comes to light however, it is assumed that the labels on the OS map are correct.

These workings in the Dunnet Shale and the Pattison Shale were ultimately continuous with those from Deans No. 1. Considerable opencast working of the Dunnet Shale took place along it's outcrop between No. 3 and No. 1 Mines. The 1897 OS maps shows a tramway running some distance across the quarry floor before entering the mine entrance in the quarry face. At least one further mine entrance in the quarry face provided access to the Stanley shale by means of cross cut mines from the Dunnet Shale workings.

The 1897 map suggests that the mine was operational at that time, suggesting that , like Deans No. 1, the mine was re-opened by the Pumpherston Oil Company.

The quarry was filled in, and all trace of workings removed, as part of the landscaping of Deans bing in the early 1980's.

Shale-field: Deans shale-field.

Mapped by the Ordnance Survey of c.1895 shows the mine apparently in use.

  • Location & workings at Deans No.3 mine & quarry (W.L.O.C.)
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