[Military construction in northern Virginia: raft of blanket boats ferrying men and timber across the Potomac River]

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[Military construction in northern Virginia: raft of blanket boats ferrying men and timber across the Potomac River]

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[Military construction in northern Virginia: man rowing raft of blanket boats on the Potomac River]

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[Military construction in northern Virginia: man rowing raft of blanket boats on the Potomac River]

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[Raft of blanket boats ferrying field artillery and soldiers across the Potomac River]

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[Raft of blanket boats ferrying field artillery and soldiers across the Potomac River]

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[Raft of blanket boats ferrying field artillery and men over Potomac River]

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[Raft of blanket boats ferrying field artillery and men over Potomac River]

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[Military construction in northern Virginia: raft of blanket boats ferrying men across the Potomac River]

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