What cind of dogs work in the gold rush?

During the Gold Rush, various Dog Breeds were employed for different tasks. St. Bernards and Newfoundland dogs were used as pack animals due to their strength and endurance, while smaller breeds like terriers helped control vermin. Additionally, herding dogs assisted in managing livestock, and sled dogs played a crucial role in transporting goods across snowy terrains. Overall, these dogs were invaluable companions and workers during this tumultuous period.