Which statement is true about the prospectors of the klondike gold rush and the main character of to build a fire

To Build a Fire - the story of the famous American writer Jack London; popular version was published in 1908. This story is a prime example of the conflict between man and nature. Jack London reflected in the story of his own life in the Yukon Territory.

The protagonist travels through one of the trails of the Yukon in a very cold day (-75 ° F / - 59 ° C), accompanied by a dog. He goes on the trail along the creek, conscious of the danger of natural traps that are generated by mining underground streams, because in such a wet cold would have meant certain death. Continuing the way, the traveler sinks knee-deep in water.

I think the answer would be they all panned for gold