Notes on Durham watermills. Also refers to the following mills: Aislaby Mill, Egglescliffe; Low Mill Foundry, Barnard Castle; Quarry Grange, Barnard Castle; Beamishburn Bridge, Beamish; Beamish Colliery, Beamish; Beamish Forge, Beamish; The Bone Mill, Bishop Auckland; West Mill, Spinning Mill, Bishop Auckland; Watermill, Bishop Wearmouth; Steel Mill, Blackhall Mill; Blackhall Paper Mill, Blackhall; Blackwell Mill, Blackwell; Walk Mill, Blackwell; Blaydon Burn Mill, Blaydon; Lead Smelting Mill, Blaydon; Bradbury Mill; Langley Mill, Brandon; Burn Hope Mill; Butterknowle Mill, Butterknowle; Watermill, Castle Eden; Healeyfield Mine, Castleside; Healeyfield Smelting Mill, Castleside; Whitehill Forge, Chester-le-Street; Whitehill Flint Mill, Chester-le-Street; Chopwell Colliery, Chopwell; Chopwell Mill, Chopwell; Millstone, Claxton; Cow Green Mine; Watermill, Crawcrook; Watermill, Crook; Bradley Burn Forge, Darlington; Godfrey's Mill, Darlington; Steel Mill, Derwentcote; Clock Mill, Dunston; Team Iron Works, Dunston; Watermill, Durham; Clock Mill, Durham; Scaltock Mill, Durham.