#8277 going to Siderar plant with an empty plataform train
more info :http://www.railpictures.net/viewphoto.php?id=432687&nseq=20
GR12W #6603 in the end of freight train, led by the EMD GT22CW #9027, the load consist of flat cars with coiled steel plate bound for the Ensenada Plant of Propulsora Siderúrgica.