An Account of the Mining Districts of Alston Moor, Weardale and Teesdale ... comprising descriptive sketches of the scenery, antiquities, geology and mining operations in the upper dales of the rivers Tyne, Wear, and Tees
1833|SOPWITH, Thomas.
Durham.
1863|Weekly Dispatch; Dower, John, active 1838-1846?1:150 000
Plate XVII: Principal Triangulation
1858|Clarke, Alexander Ross, 1828-1914
Durham County
1844|Lewis, Samuel, 1782-18651:348 480
Northumberland.
1863|Weekly Dispatch; Dower, John, active 1838-1846?1:150 000
