Since some fips code change between to census campaign due to renaming or stuff like that, I was thinking of trying to use GNIS codes (hoping they don't change as much). It says here http://www.census.gov/developers/geo/ : 'Every query must include a geography, and this API supports both FIPS and GNIS geography codes.'. However I was not able to find an example of url that use it so I don't know what the 'for' argument should be. Could somebody give me an idea of what it looks like ?
Thanks in advance
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