site_id  lat        lon         
1        16.981     -88.019983  
2        16.9741    -88.026167  
3        16.966083  -88.0314    
4        16.957443  -88.034833  
5        16.948117  -88.036867  
6        16.938633  -88.037933  
7        16.929633  -88.040567  
8        16.920833  -88.044267  
9        16.911833  -88.047583  
10       16.903517  -88.051217  
11       16.895167  -88.055717  
12       16.88595   -88.058617  
13       16.87695   -88.060367  
14       16.86745   -88.062633  
15       16.858417  -88.06545   
16       16.849883  -88.068417  
17       16.840700  -88.071150  
18       16.8318    -88.074283  
19       16.822367  -88.076433  
20       16.813117  -88.077183  
21       16.8037    -88.076983  
22       16.794667  -88.076767  
23       16.785583  -88.07585   
24       16.77655   -88.0747    
25       16.7677    -88.07405   
26       16.75885   -88.073983  
27       16.749817  -88.07325   
28       16.740583  -88.072417  
29       16.731533  -88.0716    
30       16.722317  -88.071217  
31       16.7131    -88.071217  
32       16.703833  -88.07115   
33       16.695017  -88.07075   
34       16.6858    -88.070333  
35       16.6771    -88.0689    
36       16.668133  -88.066917  
37       16.65905   -88.06585   
38       16.65005   -88.063167  
39       16.64145   -88.060483  
40       16.6328    -88.058533  
41       16.625067  -88.053667