Treasury of Scripture Knowledge

Summary

Then your south quarter shall be from the wilderness of Zin along by the coast of Edom, and your south border shall be the outmost coast of the salt sea eastward:

Bible References

South quarter

Exodus 23:31
I will let the limits of your land be from the Red Sea to the sea of the Philistines, and from the waste land to the river Euphrates: for I will give the people of those lands into your power; and you will send them out before you.
Joshua 15:1
Now the part of the land marked out for the children of Judah by families, went up to the edge of Edom, as far as the waste land of Zin to the south, to the farthest point of it on the south.
Ezekiel 47:13
This is what the Lord has said: These are the limits by which you will take up your heritage in the land among the twelve tribes of Israel: Joseph is to have two parts.

Salt sea eastward

Joshua 3:16
Then the waters flowing down from higher up were stopped and came together in a mass a long way back at Adam, a town near Zarethan; and the waters flowing down to the sea of the Arabah, the Salt Sea, were cut off: and the people went across opposite Jericho.
Joshua 15:2
Their south limit was from the farthest part of the Salt Sea, from the inlet looking to the south:
Ezekiel 47:8
And he said to me, These waters are flowing out to the east part of the land and down into the Arabah; and they will go to the sea, and the waters will be made sweet.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain