The mine is a few hundred meters West of Skjerpemyr.
Ref:
Eldjarn,K. (1977):" Osarizawaitt- fra Lykkens prøve, Grua".NAGS-nytt 4(3),14-15. (in norwegian)
Raade,G.(1995): "Secondary Zn and Cu minerals from contact deposits of the Oslo region, Norway".Bergverksmuseet Skrift nr 9, 18-26