[FULLY LOST] Boness and Kinneil Railway mod map for Train Sim 2021

https://www.youtube.com/watch?v=GT4Ehtq5TTQ

This is the only documented footage of this mod map. You might scoff at me posting this here but I'm a huge train nerd and love this heritage railway IRL - this is the only incarnation of it in the entirety of video games to my knowledge.

All downloads for this mod map have disappeared. The video has this link:

https://alanthomsonsim.com/downloads/network-scoteast-boness-and-kinneil-railway-standalone/

This page no longer exists.

Looking up Bo'ness on alanthomsonsim.com yields:

https://alanthomsonsim.com/downloads/gg-bk-a-private-event/

This is a scenario and does not contain the actual B&KR route.

Doing a general Google search yields this:

https://forums.rivet-games.com/forum/route-suggestions-en/20249-scotrail-express-a-layer-for-bo-ness-and-kinneil

This is a dead link and doesn't look like the route anyway.

I have tried using the Wayback machine and verified that the original alanthomson link was active originally, but the download is non-functional (as expected). I can't find any other mentions of this map online. A couple of people are also looking for this (a YouTube commenter, sort by newest) and a poster on the "A Private Event" scenario.

If anyone here knows anyone who has played Train Sim 2021 or does themselves, and believes to have a copy of the files for this mod map, please send them to me or host them somewhere