| 1. | A circular occulus in the spandrel above each pier is filled in with whinstone rubble.
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| 2. | As the name suggests the site was a Victorian Whinstone quarry from the 1820s to 1850s.
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| 3. | The pond is not connected to the River Tees due to the impermeable nature of Whinstone.
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| 4. | The OS map of 1856 shows that whinstone and sandstone quarries were located downstream of the mill.
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| 5. | The outer walls consist of whinstone rubble, quarried at Broomlee Hill, dressed with red sandstone.
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| 6. | They were held in 9 lb iron chairs secure to whinstone block sleepers by two iron pegs.
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| 7. | Whinstone has been quarried along a dike at Barrmill and is still quarried ( 2011 ) at Loanhead.
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| 8. | Moving west along the escarpment, a glacial surface drift of boulder clay begins to overlay the whinstone.
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| 9. | To the east, the whinstone lies just below the current turf line approximately as far as Turret 29A.
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| 10. | A gravel pit is present near Braehead Farm and a whinstone quarry lies below the mansion house of Haining.
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