Joseph LaSalle (d. 1920) Joseph LaSalle was a trapper and big game hunters’ guide in the Nasutlin River area. He was known for his reckless courage and agility. LaSalle was presumed drowned after his smashed canoe and roaming dogs were found at the foot of a canyon with several falls and steep drop.((//The Whitehorse Star// (Whitehorse), 9 July 1920.))