William W. Kratville

Little look at the Challengers

Little look at the Challengers

1993

Little look at Big Boy

Little look at Big Boy

1992

The Union Pacific type

The Union Pacific type

1990

The war engines

The war engines

1986

The Challenger locomotives

The Challenger locomotives

1980

Golden rails

Golden rails

1965

Steam, steel & limiteds

1962

Union Pacific locomotives

Union Pacific locomotives

1960

Motive power of the Union Paci

Motive power of the Union Pacific

1958