Which preposition to use with charnels

at Occurrences 1%

" Thus discoursing, they reached the charnel at the further end of the church, where Chowles struck a light, and producing a flask of strong waters, took a copious draught himself and handed the flask to Judith, who imitated his example.

of Occurrences 1%

' 'Isaac was a great exception,' said I: 'in the Bible and such books, you understand, you read of only the best sorts of people; but there were millions and millions of othersespecially about the time of the poison-cloudon a very much lower levelputrid wretchescovetous, false, murderous, mean, selfish, debased, hideous, diseased, making the earth a very charnel of festering vices and crimes.'

Which preposition to use with  charnels