20100729 118   0     0     0student C:\Student\CASA\Database\EXERCI~1.GDB\Conlines100 = CONTOUR(C:\Student\CASA\Database\Exercise5.gdb\erelev,  INTERVAL, 100, 0)
20100729 118   0     0     0student C:\Student\CASA\Database\EXERCI~1.GDB\Conlines500 = CONTOUR(C:\Student\CASA\Database\Exercise5.gdb\erelev,  INTERVAL, 500, 0)
20100729 121   0     1     0student C:\Student\CASA\Database\EXERCI~1.GDB\TreeLine = CONTOUR(C:\Student\CASA\Database\Exercise5.gdb\erelev,  LIST, 2743)
