Grid Point #: 004007 
Longitude:  -113.0458
Latitude:     27.0525
Contributing Station, distance (km).
TNBA  219.0
TNHM  303.9
SA27  304.5
IPAZ  422.6
YESX  432.1
MSD1  547.3
PLCX  556.5
IMIE  636.7