In this photo from the book "Official Pictures of the

In this photo from the book "Official Pictures of the World War" National Guard Soldiers of Ohio's 166th Infantry Regiment of the 42nd Division make their way through the snowy French countryside during December 1917 in what became known as the "Valley Forge Hike". The troops marched 100 kilomters in the snow from the Vaucouleurs to Rolampont France. ( Photo provided by the New York State Military Museum)