# cpt-city: bgs/buried-valley (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
10  40/146/199  20  40/146/199
20 191/212/138  30 191/212/138
30  252/179/68  40  252/179/68
F 232/21/21