Administrative correspondence of intendente Corbalan, primarily brief commentary on ongoing communication between him and viceroy as summarized in the superiores Ordenes and representaciones. Viceroy's responses, dated several months later, directly follow intendente's comments/inquiries. Ff. 81 reorganization of intendency, intendente's duties and salary; distribution of land, water rights, irrigation and religious education of Seris on Tiburon. Ff. 84-86 relate death of governor Sastre, execution of his will (Albacea), and responsibility of real Casa to determine amount of king's fifth on a gold nugget found in his possession. Ff. 94-95 are taxes on tobacco, playing cards and gunpowder; salaries for religious from Jalisco serving in Sonora; collection of tribute from Indians; need for better accounting for collecting royal fifth on ore mined in province; scarcity of Moneda sellada in circulation; and status of crops, workshops and personnel assigned to Indians in reduccion. Ff. 122-123 is certificate of death of Alfonso Ruiz Zorzano. Other documents briefly general of mines to be postponed due to illness and bad Weather; reduccion of Hiaques on Tiburon, recommends pardon of capitan Calisto for good behaviour, after involvement in uprising; gold nugget of Sastre not found among his possessions. Ff. 136 & 138 are superiores Ordenes from Bucareli for February-March, 1773. Ff. 142-144 are representacions of intendente to viceroy for April-June, 1773 which include fishing; rebuilding mission churches in Suaqui and Charay and completion of irrigation (acequia) for Seris in Pitic. (J. M. Johnson, March 1988)