Reminds me of a thing someone put together when I was Mapbox where we had each US state, in order, as a commit alongside their (IIRC) GeoJSON shape as a way of

Reminds me of a thing someone put together when I was Mapbox where we had each US state, in order, as a commit alongside their (IIRC) GeoJSON shape as a way of progressing through the growth of the country.