The Old Sycamore Map on p.122 is internally inconsistent.
The side view map (and the text on p.121) indicate that the entry shaft drops into a corridor linking areas A1 & A2, while the top view part of the map shows the shaft dropping directly into area A1.
The side view map indicates that the shaft to the lower level drops into the gap between areas A5 & A6, while the top view map shows the shaft dropping into area A6, at the opposite side of that area from the access to area A5.
