Please copy and paste into your web browser, this is a good read on the mass confusion and how men covered and used alias to cover for their comrades. It also maybe an error in reporting according to the article they did not have a system in place for identifying graves like they had for ww1 and ww2.
Dear Mr. Morgan,
Thank you for posting your request on History Hub!
Since the National Archives at Washington, DC - Textual Reference (RDT1) also received your request, we will not duplicate their efforts.