R1/Gray Crosspaths

From RockServ

                   C-C-C     C-C
                  /     \   /   \
                 A H-C-C-C C D-C-C
                  \ / \ / \|  /  |
                   C   C   C-C   C
                       |   |\    |
                       C   C C   C
                        \ /   \ /
                         C     C

• A - Auraflood
• C - Gray Crosspaths
• D - Down to Graphite Float Point
• H - Gray Hole (up to Foibly Tunnel, Sunside Plains, and Graphite Monuments)]

See also: http://www.angelfire.com/bc2/Rock/rock/maps/graytunnel.txt