Soldiers making pontoon boats off the coast of Fredericksburg Virginia.
"General Fremont's Division crossing the Pontoon Bridge over the Shenandoah River in pursuit of the…
Men in the Civil War building a pontoon bridge across a river.
"The Pontoon bridge 'On The March'- the pontoon wagons on their way from Aquia Creek to the Rappahannock.…
Soldiers crossing the Rapidan river in Virginia.
Union forces crossing a river.