Deuteronomy 27:4

When ye be come over Jordan, see that ye set up these stones which I command you this day in mount Ebal, and plaster them with plaster.

Deuteronomy 11:29-30

When the LORD thy God hath brought thee into the land whither thou goest to possess it, then put the blessing upon mount Gerizim and the curse upon mount Ebal,

Joshua 8:30-33

Then Joshua built an altar unto the LORD God of Israel, in mount Ebal,

Treasury of Scripture Knowledge

Summary

Therefore it shall be when ye be gone over Jordan, that ye shall set up these stones, which I command you this day, in mount Ebal, and thou shalt plaister them with plaister.

Bible References

In mount ebal

Deuteronomy 11:29
When the LORD thy God hath brought thee into the land whither thou goest to possess it, then put the blessing upon mount Gerizim and the curse upon mount Ebal,
Joshua 8:30
Then Joshua built an altar unto the LORD God of Israel, in mount Ebal,