A Short Passage                                        -      -      - 
(-------------------------------------------------)     W <---(M)---> -
                                                        -      S      -

This small corridor looks as though it was dug by hand.  There is a large
pile of rubble to the south, and it must have blocked off the passageway at
one point.  However, now that it has collapsed you can climb through to the
large chamber that lies to the west.