I forwarded the query with Bryan's permission.
A reply from another list (which makes sense to me):
---------- Forwarded message ----------
Date: Mon, 9 Apr 2001 07:34:59 -0500
From: "Lotz, David (Dallas)" <[log in to unmask]>
Reply-To: [log in to unmask]
Subject: RE: [CemeteryChat] Coffin behavior?
The vault flooded, the coffins floated and when the water evaporated, the
coffins were in the haphazard configuration.
David Lotz
Dallas, Texas