OR/16/046 Appendix 3 - Coverage of spatial data in version 8

Armstrong, R, Daley, D, Lawley, R, Myers, A and Smith, A. 2016. User guide for the BGS geology: 50k dataset (v8). British Geological Survey Internal Report, OR/16/046.

Coverage of 1:50 000 scale data in BGS Geology: 50k version 8.