Eleven girls were missing from the camp, which has hosted the daughters of governors and one president. Rescue efforts continued Sunday.

As first responders continue to rescue people stranded by the torrential flooding that descended on central Texas Friday, dozens of people are facing a parent’s worst nightmare: Their children are missing.

Camp Mystic, on the banks of the Guadalupe River near Hunt, Texas, has been operated by generations of the same family since the 1930s.