Open research question
What complete records survive from the 1992 Perm State University investigation, including magnetic, radiation, soil and microbiological measurements?
A source, research note, or further-reading link closes this question when staff accept it. Evidence and corrections stay attached for staff and do not close it by themselves.
Staff review every contribution before it is added to the file. A correction is a proposal: accepting it does not replace the official record. Rejected items are handled like rejected case submissions.