Letter from Barragan, comandante de Cuerpo de Cavalleria de frontera, requests Gracia of use of military standards and insignia as reward for company's brave and loyal service. Barragan provides excellent geographic, demographic, and economic portrait of towns of Valles, maiz, and Rioverde. Military companies and campaigns against Indians mentioned. F. 223 mentions the extinguishing of part of Chichimeco population. Process of pacification said to be impeded by the vastness of the territory and scarce population upon it. Ff. 223-224 speaks of vasallos americanos and their superiority en los Ramos de industria y agricultura F. 224 speaks of Villa de Valles, its social organization, quantity of haciendas and ranches, occupations of inhabitants, pacification of Chichimecos, and taxes and tribute. F. 225 mentions Valle de maiz, its military settlers intent solely on destroying Indians, and the granting of land grants to these settlers. F. 225 deals with Rioverde, the pacification of the Chichimecos, their incorporation into life of San Luis Potosi. Mixed Spanish, Indian, and caste population of town mentioned and the number and income of its missions. Reasons for establishment of military companies, their size and quality stated. Finally, granting of estandartes y insignia granted to Barragan and his company. (P. Lenz, may 1990)