Yosemite Trail Discovered (The Whitcomb Discoveries, #2)

Join sixteen-year-old Daniel Whitcomb as he juggles a growing relationship with Virginia Reed, one of the survivors of the Donner Party, helps his Miwok friend learn how to read and write, and manages the account ledgers for his guardian, Jim Savage at his trading posts in the California gold fields.
Is Jim correct when he says, You can't possess what you can't protect? Does that justify fighting the Yosemites after they attack Jim's posts, or the Mariposa Battalion's entrance into Yosemite ...