Oro En Colombia

BIBLIOGRAPHIE
* <http://www.eluniversal.com.co/cartagena/vida-sana/riesgos-de-salud-en-la-explotacion-de-oro-8101>
*<http://www.google.com.co/imgres?q=mineros+afectados+por+mineria+de+oro+en+colombia&um=1&hl=es&biw=1366&bih=667&tbm=isch&tbnid=xjuqdyWR-teyCM:&imgrefurl=http://prensarural.org/spip/spip.php%3Farticle3800&docid=LqjQqVEN0LR-uM&imgurl=http://prensarural.org/spip/IMG/jpg/t_mineros_801.jpg&w=360&h=321&ei=zgh1T-Blgvr1BMrf1cIN&zoom=1&iact=hc&vpx=609&vpy=315&dur=267&hovh=204&hovw=230&tx=100&ty=141&sig=112830534518727636597&page=1&tbnh=146&tbnw=172&start=0&ndsp=17&ved=1t:429,r:8,s:0>
* <http://aprendeenlinea.udea.edu.co/lms/moodle/file.php/71/LA_COLONIA_g1_.pdf>
* <http://www.afrol.com/es/articulos/10886>
*<http://noticias-ambientales-internacionales.blogspot.com/2008/02/minera-en-ghana-mata.html>
* <http://fr.wikipedia.org/wiki/Or#M.C3.A9thodes_d.27extraction>
*<http://html.rincondelvago.com/oro-en-colombia.html>
*<http://www.google.com.co/imgres?q=mines+d%27or+au+Mali&um=1&hl=es&sa=N&biw=1366&bih=667&tbm=isch&tbnid=Tnbof9uuhvT6UM:&imgrefurl=http://www.hrw.org/fr/news/2012/01/05/l-image-de-l-or-est-ternie-par-le-travail-des-enfants-dans-les-mines&docid=MCkJM-j2tMxkIM&imgurl=http://www.hrw.org/sites/default/files/media/images/photographs/2011_Mali_mercurygold.JPG&w=658&h=438&ei=tC51T7_9OZSCtgfn2bCODw&zoom=1&iact=hc&vpx=1050&vpy=161&dur=17&hovh=183&hovw=275&tx=214&ty=126&sig=112830534518727636597&page=1&tbnh=117&tbnw=176&start=0&ndsp=18&ved=1t:429,r:5,s:0>