Photos: Union Pacific Big Boy rolls through Oklahoma

Union Pacific's Big Boy number 4014 is a famed steam locomotive that was built in the 1940s and carried equipment across the nation during World War II.2 News Oklahoma
Union Pacific's Big Boy number 4014 is a famed steam locomotive that was built in the 1940s and carried equipment across the nation during World War II.2 News Oklahoma
Union Pacific's Big Boy number 4014 is a famed steam locomotive that was built in the 1940s and carried equipment across the nation during World War II.2 News Oklahoma
Union Pacific's Big Boy number 4014 is a famed steam locomotive that was built in the 1940s and carried equipment across the nation during World War II.2 News Oklahoma
Union Pacific's Big Boy number 4014 is a famed steam locomotive that was built in the 1940s and carried equipment across the nation during World War II.2 News Oklahoma