Anyone can request to have a look, sure... but we haven't made any copies yet. [ And they're hand-drawn. Crudely.] Just one more thing on the long to-do list, I guess.
As for the underground facilities... I didn't spend much time down there, but it was big. Grassland, cattle, buildings... access into the facilities mainframe. Whether this dome has a similar layout or not remains to be seen, but the differences seem to be mainly superficial.
[ And you can bet your anything on that he brightens at the thought of Data joining the team. Best recruitment day ever.]