Passage cross-references.

And in the four and twentieth day of the first month, as I was by the side of the great river, which is Hiddekel;

In the same day the LORD made a covenant with Abram, saying, Unto thy seed have I given this land, from the river of Egypt unto the great river, the river Euphrates:

Out of that land went forth Asshur, and builded Nineveh, and the city Rehoboth, and Calah,

The children of Shem; Elam, and Asshur, and Arphaxad, and Lud, and Aram.

And they dwelt from Havilah unto Shur, that is before Egypt, as thou goest toward Assyria: and he died in the presence of all his brethren.

Turn you, and take your journey, and go to the mount of the Amorites, and unto all the places nigh thereunto, in the plain, in the hills, and in the vale, and in the south, and by the sea side, to the land of the Canaanites, and unto Lebanon, unto the great river, the river Euphrates.

Every place whereon the soles of your feet shall tread shall be yours: from the wilderness and Lebanon, from the river, the river Euphrates, even unto the uttermost sea shall your coast be.

Saying to the sixth angel which had the trumpet, Loose the four angels which are bound in the great river Euphrates.