Judges 7:12

7:12 Now the Midianites, Amalekites, and the people from the east covered the valley like a swarm of locusts. Their camels could not be counted; they were as innumerable as the sand on the seashore.

Judges 8:11

8:11 Gideon went up the road of the nomads east of Nobah and Jogbehah and ambushed the surprised army.