RODRÍGUEZ, AGUSTÍN (?–1582). Agustín Rodríguez, explorer and leader of the Rodríguez-Sánchez expedition, was engaged in missionary work along the Río Conchos in northern Mexico. In the late 1570s he read accounts of the adventures of Álvar Núñez Cabeza de Vaca and heard from an Indian captive reports of populous settlements with a high degree of culture living to the north of Nueva Vizcaya. Intrigued by these stories, Rodríguez secured permission in November 1580 from the viceroy to mount an expedition to the region.
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