latitude	longitude
18.56	-97.54
19.3	-101.38
20	-104
20	-100
20.53	-103.5
21.54	-101.23
29.15	-103.2
29.2	-107.02
31.25	-110.17
31.54	-109.16
31.55	-104.53
31.56	-109.23
32.05	-109.56
32.06	-109.56
32.13	-110.59
32.46	-108.17
33	-111
33	-105.3
33.29	-108.53
33.33	-105.34
33.4	-111.04
33.5	-111.57
33.5	-110.59
34	-107
34.02	-120.2
34.34	-112.28
35	-120
35	-110
35.12	-111.39
35.14	-106.26
35.2	-111.44
35.2	-107.38
35.34	-105.41
35.5	-105.26
36.34	-105.15
37.16	-107.53
37.18	-113.03
38.5	-105.03
39	-105
39.14	-105.15
40	-105
40	-100
40.24	-105.32
40.27	-111.42
40.3	-106
40.45	-110.3