A Slippery Stone Incline                               NW     N      - 
(-------------------------------------------------)     - <---(M)---> -
                                                        -      S     SE

The tunnel continues to the southeast.  Overt crevices penetrate the
north and south walls of this passage.  The passage suddenly becomes narrow
as the water deepens.  The walls slowly begin to narrow and become vertical
faces.  Some thin, hollow, dripping straws indicate young stalactites.