There are apparently TWO standard foot measurements...

[JohnRBaker]

Quote (A difference of 2 parts per million.)

When dealing with miles... this can amount to a real difference in location.

Perhaps this accounts for the fact that no one has ever been able to find Lake Wobegon on any maps of Minnesota. Of course Garrison Keillor had his own explanation for why the town was so hard to find, and who knows, it might still have been related to the difference in the definition of the inch. But to see exactly how Keillor explained it, please select the link below (hint: it's in the fourth paragraph):

http://www.garrisonkeillor.com/national-geographic-in-search-of-lake-wobegon/

John R. Baker, P.E. (ret)
EX-Product 'Evangelist'
Irvine, CA
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