This is a interesting site -
http://www.liverpoolhistoryprojects....poolrcburials/
11,000 burials by St Oswalds church in just a few years. Bodies brought from all over Liverpool for burial. They must have stacked them sixteen deep.
By all accounts this was a very large number of burials in a very small area. Well marked on at least one map.
Loads of rubbish has been written about the exhumation of the site, its location and the state of the corpses.
A very accurate, well researched account of the exhumation is on the "Old Swan" site, the article is produced by fortinian.
The thirty year closure of Home Office files has now passed, so historians should be able to access Home office records.