NEIMME/Unth/1/5. Report re current workings in the part of Birtley Colliery belonging to Mr Strother Carr including the working of the walls in Peggy and Hedge Pits, by William Unthank and Anthony Waters, 17 June 1767
Creation dates: 1757 – 1772
Buckram bound volume, 60 x 47cm. entitled Unthank Papers, 1757 – 1772 on front and spine, containing 33pp. onto which 80 individual documents have been mounted. Typed list at front.
Volume containing plans, reports and boring and other accounts of William Unthank and others, 1757 – 1772.