Festus expedition: Pliny wrote[10] that in 70 AD a legatus of the Legio III Augusta named Festus repeated the Balbus expedition toward the Niger river. He went to the eastern Hoggar Mountains and the entered the Air Mountains as far as the Gadoufaoua plain. Gadoufaoua (Touareg for “the place where camels fear to go”) is a site in the Tenere desert of Niger known for its extensive fossil graveyard, where remains of Sarcosuchus imperator, popularly known as SuperCroc, have been found).