Ezekiel 39:12
And the house of Israel buried them to cleanse the land seven months.
Deuteronomy 21:23
His carcass shall not pass the night upon the tree; for burying, ye shall bury him in that day, for he being hung is the curse of God; and thou shalt not defile thy land which Jehovah thy God gave to thee an inheritance.
Ezekiel 39:14
And they shall separate men continually, passing through in the land burying those transported with those remaining upon the face of the earth, to cleanse it: from the end of seven months they shall search.
Ezekiel 39:16
And also the name of the city, The Multitude. And they cleansed the land.
Numbers 19:16
And every one who shall touch upon the face of the field, upon the wounded of the sword, or upon the dead, or upon the bone of man, or upon a grave, shall be unclean seven days.