WEB
They shall set apart men of continual employment, who shall pass through the land, and, with those who pass through, those who bury those who remain on the surface of the land, to cleanse it: after the end of seven months shall they search.
YLT
And men for continual employment they separate, passing on through the land, burying with those passing by those who are left on the face of the earth, to cleanse it: at the end of seven months they search.