Several AIR TO AIR SHOTs of a "Spartan Air Service" transport plane. Shots of men unloading frozen whitefish from snowmobile at warehouse. MS of a tractor train moving through snow field. MCS of Indigenous trappers cleaning muskrat pelts. Shots of two men in motorboat fly-casting on river or lake. LSs and MSs of men fly-casting in motor boat. AERIAL SHOTs of tugs pulling barges on river. AERIAL SHOTs of tugs and barges on Great Slave Lake. AERIAL SHOTs of Pine Point on Great Slave Lake. Shots of helicopter taking-off and flying low over bushland. MS of men launching light aircraft onto water. Numerous shots from various angles of Mackenzie River type tugs on river, some pulling empty barges. MLS of tug pulling a sulphur-loaded barge on Mackenzie River.