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