[1] [CITE[Geocol data files]]
([TIME[2018-03-11 16:22:12 +09:00]])
<https://geocol.github.io/>

[2] [CITE@en[geocol]]
([TIME[2018-03-11 17:17:02 +09:00]])
<https://github.com/geocol/>

[3] 
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