4  5  7  3
0.5  150.  1.0  50.  900.
 41668.  41686.
 47896.  47940.
 62000.  62009.
41700.  26.845  -87.403
48651.  27.173  -87.050
56180.  27.577  -86.635
63101.  28.077  -86.177
 40064.  63091.
40064.  41683.
41772.  44163.
46755.  48636.
48680.  50614.
53998.  56112.
56242.  58460.
60714.  63028.