Geological map of Gloucestershire / by William Smith.
Smith, William,Geologist.
Cary, John,approximately 1754-1835.
London : John Cary,
1819.
Uses "A new map of Gloucestershire ... by John Cary, 1801" as base map, with alterations to the plate; an alternative title and geological information added and the dates of the original title and imprint altered.