On Fri, 23 May 1997 21:08:39 -0400, Melissa M Heaver <[log in to unmask]>
wrote:
>I work for a museum organization that has a number of historic houses that
>have dirt floors located in them. We have had problems keeping the dust level
>down in these spaces, as well as keeping the public from tracking that dust
I guess you can't use blood nowadays, what with mad cows and prions.