Demo, Itasca coordinate system

[Bruno Patini Furtado]

Hi,
I'm a bit confused with the EXTENT property of the mapfile of MapServer
Demo, the one that shows the Itasca village (
http://en.wikipedia.org/wiki/Itasca%2C_Illinois). As it's possible to see on
wikipedia page the coordinates of this place are 41.974678, -88.018513,
being the X a negative number, as it's expected to all the USA country.

My question is: Why the EXTENT has two points of whose X coordinates on both
are positive numbers? Which coordinate system is being used?


Thanks for your time.

-- 
"Minds are like parachutes, they work best when open."

Bruno Patini Furtado
Software Developer
webpage: http://bpfurtado.net
software development blog: http://bpfurtado.livejournal.com
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