# cpt-city: bgs/radon (cpt)
#
# British Geological Survey, schemes from the GeoIndex site
#
# author: British Geological Survey
# copyright: Crown Copyright, UK Open Government Licence for Public Sector Information v3.0
# year: 2026
# url: https://phillips.shef.ac.uk/pub/cpt-city/bgs
  0 254/240/217    1 254/240/217
  1 231/188/159    3 231/188/159
  3 197/162/159    5 197/162/159
  5 176/108/114   10 176/108/114
 10   154/60/82   30   154/60/82
 30   118/46/63  100   118/46/63