Re: [Paddlewise] Latitude distances

> Now for the bonus questions (both of which are irrelevant from the
> standpoint of practical navigation).  As I noted above, the length of a
> degree of latitude is "approximately" constant.  Why does it vary
> ever-so-slightly (that part is easy) and at about what latitude does it
> achieve maximum length?   
> 
> Dan Hagen
>
	that must occur because the earth is not perfectly round.
	peace
	ted

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