latitude	longitude
17.5	-97.48
18	-100
18.06	-96.07
18.2	-97.29
18.27	-97.23
19.23	-99.08
19.29	-98.54
19.32	-98.52
20.1	-98.44
20.15	-98.33
20.23	-100
20.26	-98.06
20.36	-98.59
20.46	-98.39
20.56	-100.48
21.23	-98.31
22.09	-100.59
22.1	-101
26.03	-98.12