EDINBURG — The Board of Trustees of the Museum of South Texas History will host the Heritage Ranch Gala on Saturday, March 26 at the San Luis Ranch in San Manuel. Reservations are now on sale for this unique event which honors the Heritage Associate FRIENDS of MOSTHistory and helps fund the operation of the museum.“You might say we’re picking up where we left off when the pandemic hit us all in March 2020,” said Kellye Ortega, gala chairman. “The Luis Flores Family has graciously agreed to open the San Luis Ranch to the museum and its guests once again.