Imports github.com/jszwec/csvutil github.com/spkg/bom github.com/twpayne/go-geom github.com/twpayne/go-geom/encoding/geojson Imports in module “github.com/ONSdigital/dp-census-atlas/scripts/mktiles” github.com/ONSdigital/dp-census-atlas/scripts/mktiles/types Standard library imports encoding/csv encoding/json errors fmt io log os sort strings