Its slow work going through the bodies at the bottom of the ravine. A eleven story drop did nothing to preserve the bodies-to make them easier to identify.
Hardly any relatives come to claim the Snatchers. In the post Voldemort world they live in, it's an embarrassment to be related to someone that was once so desperate.
They identify some. Hermione turns out to be a dab hand at identification spells, and Yarnan, a pale, drawn girl, once pretty, seems to have a knack for finding wands.
It takes months to finish it all. So many other things take precedence. Rebuilding the castle, rehiring the staff, collecting the honored dead, going to funerals, memorializing the fallen. By the time their through with the bodies in the ravine, the cold November frost had settled in.
In all seventy seven people took the plunge into the ravine that night. Forty one unidentified bodies are buried in a mass grave.
