 The main house and kitchen have been interpreted to provide an interactive historical exhibit for public education and recreation, and plans developed for additional research and preservation of the valuable cultural resources.In 1816, the Spanish government granted Hernández a large tract of land at the confluence of Graham's Swamp and what was then the headwaters of the southern end of the Matanzas River, on its western bank.There he cultivated about 700 acres of sugarcane, calling the place "St. Joseph" plantation.