Filename should be the same as the identification: CC-Location-Type-Typename.geojson
Official name as used by authorities.
CC-Location-Type-Typename
CC = Country name based on ISO 3166 alpha 2 naming convention
Location = Municipality or place name
Type = lock, port, contour
- lock : lock related info
- port : port related info
- contour : a contour of a zone
YYYYMMDD
Name, identification and version should also be present in properties section of geojson file