Re: Ideas for World Hierarchy Example

In message <1168321422.370012.146520_at_11g2000cwr.googlegroups.com>, Neo <neo55592_at_hotmail.com> writes
>What important things should a hierarchy of the world store? I am
>thinking of adding planets, continents, countries, US states, most
>populus cities, oceans, longest rivers, highest mountains and most
>spoken languages for starters. Can someone suggest other items they
>would find interesting? Or websites similar to http://worldatlas.com
>for such data?

Grid reference. Each cell in the grid refers to a particular area of the surface. In the UK the surface is mapped down to areas 1 metre square, but that's an arbitrary value. And there are multiple co-ordinate systems which are almost but not quite congruent.

-- 
Bernard Peek
back in search of cognoscenti