Cross reference
Numbers 33:7
7 And they journeyed from Etham, and turned back unto Pihahiroth, which is before Baal-zephon: and they encamped before Migdol.
Exodus 14:2
2 Speak unto the children of Israel, that they turn back and encamp before Pihahiroth, between Migdol and the sea, before Baal-zephon: over against it shall ye encamp by the sea.
Exodus 14:9
9 And the Egyptians pursued after them, all the horses `and' chariots of Pharaoh, and his horsemen, and his army, and overtook them encamping by the sea, beside Pihahiroth, before Baal-zephon.
Numbers 33:8
8 And they journeyed from before Hahiroth, and passed through the midst of the sea into the wilderness: and they went three days' journey in the wilderness of Etham, and encamped in Marah.