Drilling full-sized (25mm dia) hole. Rock flour turns brown passing through weathered fissure
The Big Garden Croft, Isle of Eriskay – High Field. Drilling full-sized (25mm dia) hole. Rock flour turns brown passing through weathered fissure
The Big Garden Croft, Isle of Eriskay – High Field. Drilling full-sized (25mm dia) hole. Rock flour turns brown passing through weathered fissure
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