• The attack on Harper's Ferry Va., by Jackson, September 14th and 15th, 1862

    The attack on Harper's Ferry Va., by Jackson, September 14th ...

    Shows the area of convergence of the Potomac and Shenandoah rivers that marks the border of Maryland, Virginia, and West Virginia. Details include the location of Union forces in the town of Harper's Ferry and Confederate forces on Maryland Heights across the Potomac.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1861
  • Map of Monocacy, Md., and vicinity.

    Map of Monocacy, Md., and vicinity.

    In this section of an unidentified printed map, Sneden shows just how close Early's men got to the Federal capitol. Several skirmishes are indicated, including Early and McCausland's cavalry battle on July 8th and the position of Confederate forces south of Rockville, Md., July 11-12, 1864.

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

    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
  • Map shewing [sic] vicinity of Harper's Ferry, Virginia, and the upper Potomac River.

    Map shewing [sic] vicinity of Harper's Ferry, Virginia, and t...

    Concerns an area of Maryland and Virginia between the towns of Cumberland, Md., on the west and Harpers Ferry, Va. [now W.Va.], on the eastern side of the map. Sneden details the mountainous topography highlighting rivers, especially the Potomac River, and including the rail system through this area. Just north of Winchester, Va., there is a line of unidentified Confederate troops. The only other ...

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1861
  • Battle of the Antietam.

    Battle of the Antietam.

    Conveys the placement of Union and Confederate forces in Washington County, Md., around Sharpsburg during the Battle of Antietam on September 17, 1862.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1861
  • The Battle of Crampton's Gap 5 miles south of Turner's Gap, South Mountain, Md. September 14th 1862.

    The Battle of Crampton's Gap 5 miles south of Turner's Gap, S...

    A regional view of South Mountain in Frederick County, Md., showing the location of Crampton's Gap in relation to Sharpsburg, Middletown, Burkittsville, and Brownsville, Md. Illustrates the position of Confederate forces (Anderson's division commanded by Lafayette McLaws) and the Unions VI Corps, 1st and 2nd divisions during this engagement, part of the larger Antietam, or Maryland Campaign.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1861
  • The Battle of South Mountain Md. showing positions at Fox's and Turner's Gaps, Sept. 14th 1862.

    The Battle of South Mountain Md. showing positions at Fox's a...

    This very detailed map shows South Mountain, Turner's and Fox's gaps, and their relationships to Boonsboro and Frost town, Md. The locations of roads and buildings, many identified by owner, are included.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1861
  • Union army's march on Gettysburg from Frederick, Md.

    Union army's march on Gettysburg from Frederick, Md.

    Regional view shows paths taken by different segments of the Union army on a march from Frederick, Md., to Gettysburg, Pa., as well as the location of the Confederate army units in the vicinity. The Union troops were under the commands of Reynolds, Howard, Sickles, Slocum, Hancock, Sykes and Gregg.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1861
  • Sketch of manoeuvers [sic] on Antietam and Sharpsburg Maryland : Septr 16-17th 1862.

    Sketch of manoeuvers [sic] on Antietam and Sharpsburg Marylan...

    Shows the area from Harper's Ferry, W. Va., west to Frederick, Md., and the position of Confederate forces under R. E. Lee and Union forces under McClellen. The map also shows Hagerstown, Md., south to the Potomac River. The Baltimore and Ohio Railroad is also indicated.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1862
  • Battle of Crampton's Gap, Maryland : fought Septr 14th 1862.

    Battle of Crampton's Gap, Maryland : fought Septr 14th 1862.

    Shows the area surrounding Burkittsville, Frederick County, Md., as the left wing of McClellan's army moved toward Crampton's Gap to try to prevent the Confederate assault on Harper's Ferry, W. Va.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1862
  • Some colors and prisoners taken by French : [map of action around Washington Heights, Sharpsburg, Md.].

    Some colors and prisoners taken by French : [map of action ar...

    Shows the location of troops just outside of Sharpsburg, Md., during the battle of Antietam.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1862
  • Battle of Antietam, Md.

    Battle of Antietam, Md.

    In this extremely detailed map, Sneden indicates the locations of roads, bridges, the Chesapeake and Ohio Canal, houses, barns, ploughed fields, and the Antietam Iron Works. The Union and Confederate signal stations are also noted. The line of battle is located east of the town of Sharpsburg on September 16; encompassing the town on September 17 (after the actual battle); and to the west ...

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1862
  • Sketch of the manoeuvres [sic] on Antietam and Sharpsburg, Maryland. Septr 1862.

    Sketch of the manoeuvres [sic] on Antietam and Sharpsburg, Ma...

    Shows the area from Sharpsburg east to Frederick, Md., and the positions of Lee's Confederate army as it faced McClellan's forces. The map also shows Hagerstown south to the Potomac River. The Baltimore and Ohio Railroad is also indicated.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1862
  • Topographical map of Washington, D.C., and vicinity. Showing the Union forts and defences built 1861-3.

    Topographical map of Washington, D.C., and vicinity. Showing ...

    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
  • Map of the position at Turner's Gap. South Mountain.

    Map of the position at Turner's Gap. South Mountain.

    Shows the area between Turner's Gap and Boonsboro, Md., on September 14, 1862, as the Confederate forces advanced on Harper's Ferry and the Union Army moved to head them off at South Mountain.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1862
  • Plan of the Battle of Antietam, Maryland.

    Plan of the Battle of Antietam, Maryland.

    Shows the location of troops stationed around Sharpsburg, Md. The locations of Antietam Creek and the Potomac River are also indicated.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1862
  • The Battle of Antietam, Septr. 16th-17th, 1862.

    The Battle of Antietam, Septr. 16th-17th, 1862.

    In this detail from a printed map, Sneden shows the movement of the Lee's Confederate line at the battle of Antietam. On September 16 the Confederates are shown east of Sharpsburg. On September 17, after a day of intense fighting, the Confederates have pulled back slightly to just outside the town of Sharpsburg. On September 18 they are shown moving toward Shepherdstown, W. Va.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1862
  • Plan of the Battle of Antietam, Maryland. Sept 1862 /

    Plan of the Battle of Antietam, Maryland. Sept 1862 /

    Shows the area between Keedysville, Md., to the north and the Potomac River to the south. The locations of Sharpsburg, Md., and Antietam Creek are also indicated.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1862
  • Plan of the Rebel attack on Washington, D.C., July 11th and 12th, 1864.

    Plan of the Rebel attack on Washington, D.C., July 11th and 1...

    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
  • Map showing vicinity of battlefield of Antietam Md.

    Map showing vicinity of battlefield of Antietam Md.

    Shows the area west from Cumberland, Md., east to Hanover, Pa. The maps also show the area surrounding the Antietam battlefield including Hopewell, Pa., to the north down to Winchester, Va., in the south. Despite the indication of Maryland in the lower left of the image, it actually depicts parts of Virginia and West Virginia.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1862
  • Plan of the Battle of Ball's Bluff Va. Fought October 21st 1861.

    Plan of the Battle of Ball's Bluff Va. Fought October 21st 1861.

    Shows the Potomac River in the area of Loudoun County, Va., and Montgomery County, Md., where Union troops under Col. Edward D. Baker faced Confederate troops commanded by Evans. What was meant to be a "a slight demonstration" against the Confederate forces guarding the fords quickly became a rout. Col. Baker was one of the casualties.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1861
  • The Antietam Campaign - Sept. 1862

    The Antietam Campaign - Sept. 1862

    Shows the area between Mercerville, Md., to the north and the Potomac River to the south. The location of the Baltimore and Ohio Railroad is also indicated.

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1862
  • Map shewing [sic] movements of Union and Rebel armies from 30th June to 13th July 1863.

    Map shewing [sic] movements of Union and Rebel armies from 30...

    Covers parts of Pennsylvania, Maryland, and Virginia, focusing on the Gettysburg area south through Sharpsburg and Frederick City, Md., and ending around Harpers Ferry, Va. [now W.Va.]. At the end of June 1863, Union and Confederate troops were moving towards Gettysburg, Pa. The conflict at Gettysburg was fought July 1-3 with Confederate troops retreating south after that time. Sneden includes dates at various locations ...

    • Contributor: Sneden, Robert Knox
    • Original Format: Maps
    • Date: 1861
  • Plan of the Battle of Monocacy, Maryland, July 9th, 1864.

    Plan of the Battle of Monocacy, Maryland, July 9th, 1864.

    The map shows the location of troops on either side of the Monocacy River and north into the city of Frederick, Md. This engagement, part of "Early's Washington Raid" took place on July 9, 1864. Early's troops met Federal forces near the river. The Union troops were routed and retreated to Baltimore.

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