and another that includes a geolocation field - needed to work out how to get the data into the non-simple text field

migrate_plus.migration.csv_border_crossings.yml

uuid: xxx
langcode: en
status: true
dependencies: {  }
_core:
  default_config_hash: QgJp0h7W6HJQxNOodE0hlFp_epwmjzGKWCkBZic7e3s
id: csv_border_crossings
migration_tags:
  - CSV
migration_group: null
label: 'CSV file to Border Crossings'
source:
  plugin: csv
  path: 'public://csv/crossings.csv'
  header_row_count: 1
  keys:
    - id
  column_names:
    -
      id: Id
    -
      long: long
    -
      lat: lat
    -
      from: from
    -
      to: to
    -
      title: title
    -
      description: description
    -
      supplier: supplier
process:
  type:
    plugin: default_value
    default_value: border_crossing
  title: title
  body: description
  field_geolocation/lng: long
  field_geolocation/lat: lat
  field_country_exiting: from
  field_country_entering: to
  field_supplied_by: supplier
destination:
  plugin: 'entity:node'
migration_dependencies:
  required: {  }
  optional: {  }