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Rh are nearly uninhabited. On the whole extent of her coast-line there are but two natural harbors available for first-class modern merchant-vessels—those of Anton Lizado on the Gulf, and Acapulco on the Pacific. All the other so-called seaports now used by commerce are open roadsteads, dangerous in rough weather, and only approachable in lighters, or are located on rivers, the entrances to which are closed to ocean traders by shallows or sand-bars. The natural obstructions and difficulties in the way of inland traffic are scarcely less observable. Mexico is entirely wanting in navigable rivers and lakes. Her fertile districts, capital cities, and centers of population are separated from each other by long distances, arid districts, immense chains of mountains, and vast barrancas washed out by her rapidly descending water-courses. These difficulties were partially overcome by the Spaniards, who constructed a noble system of highways and bridges extending between the principal cities of the viceroyalty, but from the nature of the soil they were immensely expensive to construct and difficult to maintain. During the long and ruinous wars for independence, and the civil wars which followed, these highways went rapidly to destruction; and, notwithstanding recent repairs and reconstructions, the general condition of Mexican highways is not