Where the hacienda included working mines, as in Mexico, the patrón might gain immense wealth. The unusually large and profitable Jesuit hacienda Santa Lucía, near Mexico City, established in 1576 and lasting to the expulsion in 1767, has been reconstructed by Herman Konrad from archival sources. This reconstruction has revealed the nature and operation of the hacienda system in Mexico, its labor force, its systems of land tenure and its relationship to larger Hispanic society in Mexico.