0 truetrue This image is a derivative work ofthe following images: File:National_Grid_for_Great_Britain_with_central_meridian.gif licensed with Cc-by-sa-3
Alike 3.0 truetrue This image is a derivative work ofthe following images: File:BritishNationalGrid.svg licensed with Cc-by-sa-3.0 2010-07-08T20:06:31Z