| Description | Rough geological colouring by George Bellas Greenough, [before 1820?] on topographical base 'Map of England and Wales from the latest surveys', published by James Wallis, Berwick Street, Soho, [n.d.]. Only five of the sheets covering central England have been coloured geologically. Greenough no.172. Dissected on cloth, each sheet measuring c.63 x 73cm. |
| Administrative History | Possibly used as part of the research for George Bellas Greenough's 'Geological Map of England and Wales' (1820). |
| CustodialHistory | In the earliest listing of the map, in the 1860 printed Library catalogue, it is listed as having only 19 sheets. |