Mahonri M. Young (1877-1957),
Frontier Explorer Sketches, ink, 10 7/8 x 8 7/16 inches. Brigham Young University Museum of Art, purchase/gift of the Mahonri M. Young Estate, 1959. The Lewis and Clark Expedition began from Pittsburgh on this day in 1803. They journeyed their way across the North American continent, eventually reaching the Pacific Ocean.