• Meddelelser om Svenningdal sølvgruber 

      Johnsen, J. (NGU (1), Journal article, 1891)
      Forkortet: This mines lies in Northern Norway at 64 \u00B0 50' n.l. on the western side of the Vefsn-valley. The environing rock consists of hornblende-shist, limestone and phyllite, occuring in alternating strata and ...