P    #regions in PPM
# 2017-02-16 14:13:05 +0000  Service@fellbarrow
# low field   high field   mi   maxi
  75.61272640843262  -47.103009893777696  12.568  17.728  # for region 1
  -47.103009893777696  -48.34256278571922  13.430  15.000  # for region 2
