52 SELLING LATIN AMERICA geographical position, salubrious climate and vast areas of tillable land will attract more and more desirable settlers to its boundary. Im migration is encouraged along the most mod ern and progressive lines. Uruguay is fortunate in having many nav igable rivers, the chief of which are the Rio de la Plate and the Uruguay, giving a total of over 700 miles of water deep enough for ocean going vessels. One river alone—the Uruguay —has ten ports open for interoceanic trade, the cities on this river being Carmelo, Neuva Palmira, Soriano, Fray Bentos, Neuva Berlin, Casa Blanca, Pysandu, Neuva Pysandu, Salto and Santa Rosa. Mercedes is a large city, on the Rio Negro, and is used as a port of call for ocean-going vessels. There is also Lake Merim on the borders of Brazil on which run small launches. Uruguay has comparatively few railroad systems and only 1600 miles of railways. There are many projects for railway develop ment however and the completion of the