This letter, dated April 21, 1852, was written by former Philadelphia resident Samuel N. Patton. Writing to a friend from Rich Gulch in Calaveras County, Patton describes his experience moving to California to be a miner, traveling through the boomtown of San Francisco and the varying landscape of the region. He also describes meetings with friends and his views on gold fever. The letter offers a new migrant’s perspective on the business practices, social relationships, and natural environment at the heart of the California Gold Rush.