Wood, N. (1831). ‘On the Geology of a part of Northumberland and Cumberland’ extract from Trans. Nat. Hist. Soc. Northumberland, Durham & Newcastle upon Tyne, 1831. v1, pp 302-334 + 3 plates.Wood, N. (1831). On the Geology of a part of Northumberland and Cumberland extract from Transactions of the Natural History Society of Northumberland, Durham and Newcastle upon Tyne, 1831. v1, pp 302 334 + 3 plates. Age toned and hint of foxing, clean. Plates are all hand coloured engravings: 1 Coast Section from the River Tyne to the River Tweed and 2 3 inland sections both folded 27 x 75cm; and 3 Sketch [Map] in Illustration of the Paper on the