Spring 4 is located on the west side of the Rio Grande at the river.
Field Parameters: Specific conductance 211 at 16.5° C; pH 7.34 at 16.4° C.
Flow: Measured at 35 gal./min. four years ago.
Coordinates: Amigos Bravos - NAD 27: 35° 48.28' N, 106° 11.55 W
NMED - DGPS: 1657413.35 1748273.34
Elevation: Amigos Bravos - NAD 27: 5452
NMED DGPS: 5431
Sampling on Wednesday, April 30, 2003 at 16:10.
Notes: