BL
    POINT          DESC.           NORTH             EAST          ELEVATION             -L- STATION       OFFSET
------------ ---------------- ---------------- ---------------- ---------------- ---------------- ----------------
BL1                       BL1      412988.1720     1698620.7530           283.72         10+09.47         20.37 RT
BL2                       BL2      413070.4110     1698828.8520           273.10         12+28.73         11.54 LT
BL3                       BL3      413106.4150     1699047.7020           289.65         14+47.09         16.11 LT