Warren Angus Ferris

Warren Angus Ferris (December 26, 1810 – February 8, 1873) was a trapper, cartographer and diarist in the Rocky Mountains from 1830 to 1835. From 1829–1835, he traveled to Cache Valley and the Snake River area with the American Fur Company. With the help of Native American guides, he explored what is now Yellowstone National Park in 1834. He recorded his experiences in a journal that was published as the book ''Life in the Rocky Mountains'' in 1940. The book contained the first settler-made map of the area, called the "Map of the Northwest Fur Country." Ferris became a surveyor in Texas in the area that is now Dallas. He also served on the Texas State Congress. Ferris settled down as a farmer in his later life and wrote articles for a local Dallas newspaper. Provided by Wikipedia