Artivle amb mapa de l&#39;extermini de bisons <a href="http://longstreet.typepad.com/thesciencebookstore/2011/06/-a-history-blank-empty-and-missing-things-76-the-american-bison-extermination-map.html">http://longstreet.typepad.com/thesciencebookstore/2011/06/-a-history-blank-empty-and-missing-things-76-the-american-bison-extermination-map.html</a><br>
<br>Raf<br>