Deuteronomy 11:29
And it shall come to pass, when the Lord thy God hath brought thee in unto the land whither thou goest to possess it, that thou shalt put the blessing upon mount Gerizim, and the curse upon mount Ebal.
Cross-reference
Deuteronomy 27:12-26 gives detailed instructions for the blessing and curse ceremony on Mount Gerizim and Ebal, previewed in Deuteronomy 11:29.
Deuteronomy 27:4 specifies the command to set up stones on Mount Ebal, directly continuing the instructions for the ceremony introduced here.
Deuteronomy 27:13 lists the tribes that stand on Mount Ebal for the curses, detailing the ceremony introduced here.
Deuteronomy 7:1 lists the seven nations that Israel will dispossess — the same land where the Gerizim/Ebal ceremony will take place.
Joshua 8:30-35 recounts Joshua carrying out the ceremony on Mount Gerizim and Ebal, fulfilling the command given in Deuteronomy 11:29.
Judges 9:7 places Jotham's parable on Mount Gerizim — the same mountain where blessings were proclaimed, now used for a judgment speech.
Joshua 8:33 describes the people standing on Gerizim and Ebal, exactly as commanded here — the historical fulfillment.