Chris, there were two camps, I believe, that might
fit the bill.
One is Pojamingski and the second is
They were near Vielsk in southern part of
Archangielskaja obl. The later camp was also a camp for the Russian Army, but it
had apparently a posiolek no.6, it was near a railway and it was in Konoszskij
rejon. It is still apparently a sielsoviet in existance, but probably a forestry
undertaking of some kind.
Perhaps your father might recall a little more
There were several camps starting with the letter
P, but naming other things or places.
Hope this might help.