Ezekiel 39:12
And the house of Israel shall be burying them seven months, that they may cleanse the land.
Deuteronomy 21:23
his body shall not remain all night upon the tree, but thou shall surely bury him the same day, for he who is hanged is accursed of God, that thou not defile thy land which LORD thy God gives thee for an inheritance.
Ezekiel 39:14
And they shall set apart men of continual employment, who shall pass through the land. And, with those who pass through, those that bury those who remain upon the face of the land, to cleanse it, after the end of seven months they
Ezekiel 39:16
And Hamonah shall also be the name of a city. Thus they shall cleanse the land.
Numbers 19:16
And whoever in the open field touches a man who is slain with a sword, or a dead body, or a bone of a man, or a grave, shall be unclean seven days.