; pos=3d survexportopt=--surface-legs survexportopt=--splays warn=0
*cs long-lat
*cs out UTM60S
*fix bh 174.7767 -41.2784 30
*entrance bh
bh 1 100 090 -5
1  2 100 180 -5
*begin
*flags surface
2  3 100 270 -5
2  .  90 180 -5
3  ..  90 180 -5
*end
2  5 100 090 -5
*begin
*flags splay
5  6  90 180 -5
*end
*flags duplicate
5  6a 89 180 -5
