Construction Worker's Logbook is a file in Fatal Frame IV: Mask of the Lunar Eclipse.
Transcript[]
We’ve accidentally excavated out from the B2F lift shaft into the Primeval Passage, so work has been stopped for the time being.
In the past, we came up against this passage while building the room under the director’s office. What the hell is he thinking, taking the same kind of risk twice?
The ancients of the island forbade the excavation of buildings underground. If the old Primeval Passage is disturbed, then the moonlight won’t reach—
(the page is torn at this point)