• Plan of the Rebel attack on Washington, D.C., July 11th and 12th, 1864.

    As a diversionary measure to take some of the pressure off of besieged Petersburg, Confederate forces under Jubal Early launched a northern offensive beginning in late June 1864. After stops near Harper's Ferry and Shepherdstown, W. Va., and Frederick and Baltimore, Md., they reached the outskirts of Washington, D.C., by July 11. Reconnaissance showed the Union had begun some intensive reinforcement, so an attack ...

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1864
  • Topographical map of Washington, D.C., and vicinity. Showing the Union forts and defences built 1861-3.

    Detail from a printed map of the Potomac River region of Maryland and Virginia, and including Washington, D.C., which Sneden has annotated to show the locations of Union forts and picket lines.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1861
  • Union forts on Maryland shore

    Shows the names and configurations of Union fortifications on the Maryland side of the Potomac River in 1862, and in some cases the name of the regiment that built the structure. This appears to be a companion piece to the image on p. 43.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1861