When Hugh Brown Heiskell set out from Tennessee for the California gold fields in 1849, he was one of thousands traveling west in search of fortune. Hugh and his cousin Tyler joined a wagon train from St. Louis and made their way across a continent that most people of the time could only imagine. What distinguishes him from other Forty-niners, however, is the captivating record he kept of that journey. This young Knoxville lawyer had a farm boy's...