Gabriel Gustafson was in charge of the excavation of Oseberg Ship, a well preserved 12th century Viking ship.
 He was responsible for the excavation and conservation of the Oseberg Ship ("Osebergfunnet") . 
The Oseberg ship (Norwegian: "Osebergskipet") is a well-preserved Viking ship discovered in a large burial mound at the Oseberg farm near Tnsberg in Vestfold county, Norway. 
