This document, published in 1883, outlines the terms of the concession granted by the Mexican government to the New Mexico Central and Southern Railway Company. The concession allowed the company to construct a railroad from Zacatecas to the northern line of Mexico, with a branch to the port of Topolobampo. This is an essential document for anyone interested in the history of Mexican transportation and infrastructure development. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.