Respuesta :

My guess is dog sledding.

Matya

Jim Mason is known for finding and starting the Klondike Gold Rush.He was an Tagish indian. In August 16, 1896 looked for gold in Rabbit creek. ... The sled dogs are very important for the Klondike. Without them it would be next to impossible to do as much as they did

Hearing all of that, The correct answer is dog sledding.