BC imp 1
Latitude: 51°31'4.8"
Longitude: 2°33'51.6"
BC imp 2
Latitude: 51°31'6.1"
Longitude: 2°33'49.2"
BC imp 3
Latitude: 51°31'25.4"
Longitude: 2°34'1"
BC imp 4
Latitude: 51°31'26.8"
Longitude: 2°33'56.3"
BC ref 1
Latitude: 51°38'24.3"
Longitude: 2°41'14.5"
BC ref 2
Latitude: 51°38'22.8"
Longitude: 2°41'20"
BC ref 3
Latitude: 51°38'46.4"
Longitude: 2°41'17.1"
BC ref 4
Latitude: 51°38'42.4"
Longitude: 2°41'14.3"