Anopha Quarry simply just "The Quarry" in Keekre24's series is a quarry hence the name.
Mavis, Bill, Ben and BoCo work here.
The quarry will reappear in the fifeteenth season.
Persona
It appears to lead from Thomas' branchline in the Television Series, but since Keekre24's series, it appears to be in different layouts to be put in different places.