The Sands of Khasa Tahid
Doug Wildey (writer and artist)
1st of 2 stories in Comico's Jonny Quest #1:
As the advance men for a possible excavation, Jonny Quest, Hadji, and Race Bannon are in a desert heading to the Chandarkin Oasis where an ancient city might be buried. They find instead a terrorist group's buried arms cache.