This map from Culhuacán in the present-day Delegación de Ixtapalapa, Mexico City, is from the Relaciones Geográficas collection in the Benson Latin American Collection at the University of Texas at Austin. Dating from between 1578 and 1586, the Relaciones Geográficas are responses to a questionnaire initiated by the Spanish crown in 1577, requesting information about Spanish-held territories in the Americas. The questionnaires covered such topics as demographics, political administration, languages spoken, physical terrain, and vegetation. The crown received 191 responses to these questionnaires. Of the 167 responses known to exist ...