How can we know the kind of projection used in a shape file? Some times we get a shape file from others. ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡boli ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡boli611 at hotmail.com ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡2004-06-08