I worked (as a technician) a number of years ago at a site in South Hill, Virginia, on an historic Anglo cemetery that was supposed to be moved years earlier but wasn't ( a not too uncommon practice). Our job was to document the graves and remove the bones (what happened to them I do not know) to make way for construction of an office building or some sort of industrial complex.
If Mark Walker sees this post, I am sure he can provide more details.
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Bernard K. Means
Assistant Collections Manager
Alexandria Archaeology Museum
(703) 838-4399