KAERO: Out of 50 states and six other jurisdictions, 40 have legislated that surveying measures should be based on the U.S. survey foot, six have legislated that they be made on the basis of the international foot, and ten have not specified the conversion factor from metric units. … the difference (2 ppm) is of no practical significance given the precision of normal surveying measurements over short distances (usually much less than a mile).
Na daném odkaze ty výčty nejsou, ale při pátrání na webu jsem našel odkaz na tento pěkný čerstvý feature:
https://www.nytimes.com/2020/08/18/science/foot-surveying-metrology-dennis.html
In one case, in a certain city that Dr. Dennis declined to name, the construction of a downtown high-rise that sat in the approach path to an international airport was delayed while the building was redesigned to be one floor shorter.
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“One thing is, let’s be honest, the actual name, the U.S. survey foot,” said Timothy W. Burch, the society’s president-elect, who is in favor of retiring the old foot. “For unfortunately a lot of Americans, especially in this day and age, anything that has to do with the U.S. and that naming quality being taken away, it’s like we’re under attack. So there is a portion of the country that’s like, No, this is ours, this is what we’re going to keep.”