From the 1770s he published several scientific works on the fisheries in Northern Norway .
In 1771 , Friis received the office of senior priest ( sogneprest ) at Korskirken in Bergen which he held until he was granted leave of retirement in 1774 .
From the 1770s Friis published several scientific works on the fisheries in Northern Norway .
In 1771 , Friis received the office of senior priest ( sogneprest ) at Korskirken in Bergen which he held until he was granted leave of retirement in 1774 .