Gallardo describes problems relating to Yaquis in Valle de San Buenaventura and other military/administrative concerns of province; reflects on bishop Tamaron's letter on similar topics; notes importance, aptitude of Yaquis for mining (whom he praises); describes original settlements of Yaquis; their farming; climate of their lands; seasonal interest in work; he praises their industrious efforts; he stresses Spain should be fair to this important ethnic minority; comments on extreme acculturation of Yaquis; their knowledge of Spanish; his earlier visit to their country; possible new missions on Colorado and Gila; economic woes of mining industry produced by lack of operators; much on Indian labor in province; contrasts patterns of Indian labor used in Provincias Internas with other regions of empire; proposes that certain aspects of other regional policies be adopted. (J. Williams, may 1987) adopted. (J. Williams, may 1987)