twin engine plane ore-be-gone

[DiveCaptDean]

Was in my childhood stonping grounds late last week( MT.Iron) and stopped into Orebegone for the first time.  Funny grew up playing hockey in the old bubble dome and never knew it existed.  In any event..i have heard so much i had to at least see it....I will definitely dive it soon.  but the map on the wall of the head wasnt the greatest..does anyone have one that might make a little more sense..keeping in mind that i am no cryptologist.  I only went to the first landing..didnt see any other access points but didnt look real hard either.
Thanks
Deano