Map of the unparished area of Preston, England, until March 2012.  
Equirectangular map projection on WGS 84 datum, with N/S stretched 165%  
Geographic limits: 

West: 2.770° W
East: 2.620° W
North: 53.802° N
South: 53.747° N
This file was derived from: Preston UK ward map 2010 (blank).svg: 
http://www.openstreetmap.org/?lat=53.7745&amp;lon=-2.695&amp;zoom=12&amp;layers=M accessed 2013-01-18
Preston_UK_ward_map_2010_(blank).svg: Nilfanion, created using Ordnance Survey data
OpenStreetMap: OpenStreetMap contributors
derivative work: Dr Greg