%% 
%%  A DANTE-Edition example
%% 
%%  Example 25-03-1 on page 477.
%% 
%%  Copyright (C) 2011 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{201.70511pt}
\setlength\parindent{0pt}

\usepackage{pstricks,pst-map2d}

\begin{document}
\psset{path=pst-geo/data,unit=3.7,linewidth=.75pt}
\begin{pspicture*}(-6.5,1)(-3,3)
  \WorldMap[rivers=true,city=true,USA=true,maillage=true]
\end{pspicture*}
\end{document}