Letters concerning petition of a soldier to get a raise in his salary and the denial of the same petition. Letters from and to Salcedo concerning an american scientific expedition conducted by Lewis in the River Missuri, and the suggestion that in order to protect the Spanish territory the members of the expedition should be arrested before the government of the united states oficially declares the borders of the state of Luisiana. Letters concerning the decision of the president of the united states to send expeditions to the rivers Colorado, Arkansas, San Francisco and Mississippi in order to make maps, building of a fort in Nachitoches by the american army as well as the alocation of money by the government to build two ships with 16 guns each in order to prove to the electorate that the republican government is strong. (T. Kahana. January 1988)