Reach

Sampling location

Location name

Latitude

Longitude

Elevation m

Upper

S1

km 39

17°2'47.28" N

99°46'57.24" W

400

S2

km 34

17°1'27.84" N

99° 47'38. 41" W

300

S3

Puente Texca

16°58'55.62" N

99°49'6.51" W

100

Middle

S4

Colonia La Venta

16°55'25.26" N

99°48'27.28" W

40

S5

Puente Alborada

16°52'48.13" N

99°49'6.00"W

20

S6

Puente Tunzingo

16°51'1.09" N

99°47'37.38" W

20

Lower

S7

Colonia La Poza

16°47'33.09"N

99°46'56.16"W

3