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Blair Ironstone Pit No.7 [& No.5] 

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Linnholm Pit

Dalry, Caaf Bridge, Ayrshire.

NGR:NS 29220 48520
WGS84:55.69997, -4.71911
Length:Not recorded
Vert. Range:183 m
Altitude:26 m
Geology:Upper Limestone Formation - ironstone
Tags:Mine, Shaft, ManMade, Archaeo, Lost
Registry:second

Ironstone Pit, c.1860s.

Small-scale blackband ironstone workings (much of which now worked-out 'waste') with pit shaft located relatively centrally. Complex is c.380 m long from N to S, the N part of which is a c.160 m-long tunnel extending to ~[NS 2902 4869]. The youngest section of workings are a side extension that underlies an area around [NS 2932 4855] & was surveyed in 1868. The shaft site is now overgrown, with notable bing beside road.

Alternative Names: Linn Pit

Notes: Bing absent from 1858 OS map, but shown on 1896 Ed.

Shaft 100 fms [183m] to 'Lower Doors' ironstone (Upper & Mid Doors seams at 86 & 90 fms, respectively). N tunnel section possibly a trial tunnel failing to reach ironstone beyond an extensive volcanic 'greenstone' intrusion.

Location determined from roads & burn shown on abandonment plan. Given names shown on AP.

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This entry was last updated: 2026-01-19 15:33:19

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