Letter from Concha to Ugarte y Loyola saying he has consigned friendly Indian nations to guarding less cooperative tribes to maintain peace, requests military try to leave all of them alone, keep Spanish Side of agreement. Other letters discuss meetings with various Indian leaders, violations of peace plan, means of enforcement. Detailed description of two Comanche campaigns on Sierra Blanca Apaches. Mention of seasonal habitation Yutas y Xicarillas. Mention that Apaches Gilenos on south Side of Rio Grande seem sincere in wish for peace, those on north Side have made two invasions since plan in effect. (A. Dean, March 1989)