Many thanks go to Hugh Griffiths (BNHS webmaster) for sharing the code for this mapping tool originally developed by Keith Balmer and used on the Bedfordshire Natural History Society web site.
The digital Vice County boundary for Warwickshire (VC38) was developed under contract and funded by Defra, Scottish Natural Heritage and the NBN Trust. Digital Watsonian Vice-County Boundary Data © National Biodiversity Network Trust and Crown Copyright 2003 All rights reserved.
The javascript in this application is released under the GNU General Public License Version 2. Updated 18-02-2021 to Google Maps APIv3.