What year Suburban?

What color rear floor linoleum?

Linoleum of a thickness that can have grooves routed into it might be hard to find in the USA.

It might be available in Canada - imported from Scotland.

If you find a source for the correct thickness of black linoleum (54/55 Suburban), please post the name of the source.

A place call Battleship Linoleum used the sell tan/brown in the correct thickness for routing.