Images from Joseph Dewey Soper’s 1931 explorations along the Koukdjuak [Soper] River A J.D. Soper and one of his Inuit companions, Matuse or Matoosa, with willows 12'6" [3.8 m] high that grew at the mouth of the Willow River, a tributary to the Koukdjuak [Soper] River, 1 July 1931 [Library and Archives Canada MIKAN No. 5277159] B Matuse or Matoosa standing amongst willows 4'–5' [1.2–1.5 m] high along a tributary brook of the Koukdjuak [Soper] River, 1 July 1931 [Library and Archives Canada MIKAN No. 5277158] C looking down on the valley of the Koukdjuak [Soper] River (eastwardly) from a height of 1200' [366 m], (9:30 in the evening), 1 July 1931 [Library and Archives Canada MIKAN No. 5277160] D a view across the valley of the Koukdjuak [Soper] River to the northeast, 2 July 1931 [Library and Archives Canada MIKAN No. 5277161] E noon halt at rapids on the Koukdjuak [Soper] River, 30 June 1931 [Library and Archives Canada MIKAN No. 5277156] F patching canoe after a fight in the rapids of the Koukdjuak [Soper] River, 30 June 1931 [Library and Archives Canada MIKAN No. 5277157]. Credit: Joseph Dewey Soper/Department of Indian Affairs and Northern Development fonds/Library and Archives Canada/Public domain.