What page number in call of the wild is it that buck is pulling the sled for Francois?

In "The Call of the Wild" by Jack London, Buck begins pulling the sled for François in Chapter 2, titled "The Law of Club and Fang." While the specific page number may vary by edition, this event occurs early in the chapter as Buck adapts to his new life in the Yukon. If you have a particular edition in mind, you may want to check the beginning of Chapter 2 for the exact page.