Thanks to the AD&D DM’s Guide, I know that 16 gnomes can work at once on a ten foot wide tunnel through hard rock and can excavate 480 cubic feet in an 8 hour shift.

I won’t count how many times this has come up in my games.

#TTRPG #DND #ADND #OSR #GMTips #Gygax

@deinol Umpteen bloggers: "This means that in the implied setting, adding segments to the existing mythic underworld is a common thing, and thus we need to add a temporal layer of post-primal-construction-Jacquaysing to our own subterranean structures. In the following series of posts…"