Statute feet or survey feet?
* https://www.nist.gov/pml/us-surveyfoot
* https://oceanservice.noaa.gov/geodesy/international-foot.htm...
* https://en.wikipedia.org/wiki/Foot_(unit)#U.S._survey_foot
Perhaps make it half and half (and undocumented) so that neighbours can embark on generational land feuds.
https://en.wikipedia.org/wiki/Swedish_units_of_measurement#O... https://en.wikipedia.org/wiki/Dutch_units_of_measurement#Voe...
