Bonser named eleven of the canyons and rapids on the Skeena River, using the character of the obstacle as a guide. Among them were the Whirly Gig Rapids, Hornet’s Nest Rapids and the Devil’s Elbow Canyon where the Skeena rushed directly towards a rock bluff before twisting off to the right.
Bonser identified eleven of the canyons and rapids on the Skeena River by taking into account the characteristics of each obstacle. These included the Whirly Gig Rapids, Hornet’s Nest Rapids, and the Devil’s Elbow Canyon, where the river made a sudden turn towards a rock face.