Original Document

This itinerary of the Army of the Potomac during the Gettysburg Campaign begins while Hooker is still in command of the army, and continues through Meade's appointment to command and the pursuit of Lee's army after the Battle of Gettysburg.

June 5.–The Army of the Potomac, commanded by Maj. Gen. Joseph Hooker, with headquarters near Falmouth, was posted on the north bank of the Rappahannock River, confronting the Confederate Army of Northern Virginia, under General Robert E. Lee, mainly concentrated about the town of Fredericksburg, on the south bank of the river. The several commands of the Army of the Potomac were distributed as follows: First Corps (Reynolds'), in the vicinity of White Oak Church; Second Corps (Couch's), near Falmouth; Third Corps (Birney's), at Boscobel, near Falmouth; Fifth Corps (Meade's), in the vicinity of Banks', United States, and adjacent fords on the Rappahannock; Sixth Corps (Sedgwick s), near White Oak Church, with the Second Division (Howe's) thrown forward to Franklin's Crossing of the Rappahannock, a little below Fredericksburg, near the mouth of Deep Run; Eleventh Corps (Howard's), near Brooke's Station, on the Aquia Creek Railroad; and the Twelfth Corps (Slocum's), near Stafford Court-House and Aquia Landing. The Cavalry Corps (Pleasonton's, with headquarters at Manassas Junction) had two divisions (Duffie's and Gregg's) and the Cavalry Reserve Brigade, all under Buford, in the vicinity of Warrenton Junction, and one division (B. F. Davis') in the neighborhood of Brooke's Station. The Artillery Reserve (R. O. Tyler's) was near Falmouth.

June 6.–Howe's (Second) division, Sixth Army Corps, crossed the Rappahannock at Franklin's Crossing, and, after a skirmish, occupied the enemy's rifle-pits. Wright's (First) and Newton's (Third) divisions of the same corps moved to the same point from White Oak Church, taking position on the north bank of the river.

June 7.–Wright's (First) division, Sixth Corps, was sent across the Rappahannock at Franklin's Crossing, relieving Howe's (Second) division, which returned to the north side.

June 8.–The Cavalry Corps (Pleasonton's), consisting of Buford's (First), D. McM. Gregg's (Third), and Duffie's (Second) divisions, and the Regular Reserve Brigade, supported by detachments of infantry, under Generals Adelbert Ames and David A. Russell, moved to Kelly's and Beverly Fords, preparatory to crossing the Rappahannock on a reconnaissance toward Culpeper.

June 9.–Newton's (Third) division, Sixth Corps, relieved Wright's (First) division on the south bank of the Rappahannock at Franklin's Crossing. The Cavalry Corps, supported by Generals Ames' and Russell's infantry, crossed the Rappahannock at Kelly's and Beverly Fords, fought the enemy at or near Beverly Ford, Brandy Station, and Stevensburg, and recrossed the river at Rappahannock Station and Beverly Ford.

June 10.–The Cavalry Corps took position in the neighborhood of Warrenton Junction. Its infantry supports in the reconnaissance of the day previous rejoined their respective commands. Howe's (Second) division, Sixth Corps, moved from Franklin's Crossing to Aquia Creek.

June 11.–The Third Corps marched from Boscobel, near Falmouth, to Hartwood Church.

June 12.–The First Corps marched from Fitzhugh's plantation and White Oak Church to Deep Run; the Third Corps from Hart-wood Church to Bealeton, with Humphreys' (Third) division, advanced to the Rappahannock; the Eleventh Corps from the vicinity of Brooke's Station to Hartwood Church; and Headquarters Cavalry Corps from Manassas Junction to Warrenton Junction. The advance of the Confederate army skirmished with the Union troops at Newtown, Cedarville, and Middletown, in the Shenandoah Valley.

June 13.–The First Corps marched from Deep Run to Bealeton; the Fifth Corps from the vicinity of Banks' Ford, via Grove Church, toward Morrisville; Wright's (First) and Newton's (Third) divisions, Sixth Corps, from Franklin's Crossing to Potomac Creek; the Eleventh Corps, from Hartwood Church to Catlett's Station; the Twelfth Corps from near Stafford Court-House and Aquia Creek Landing en route to Dumfries; Wyndham's brigade of Gregg's cavalry division from Warrenton Junction to Warrenton; and the Artillery Reserve from near Falmouth to Stafford Court-House. McReynolds' (Third) brigade, of Milroy's division, Eighth Army Corps, marched from Berryville to Winchester.

June 14.–Headquarters Army of the Potomac moved from near Falmouth to Dumfries; the First and Third Corps marched from Bealeton to Manassas Junction; the Fifth Corps arrived at Morrisville, and marched thence, via Bristersburg, to Catlett's Station; Wright's (First) and Newton's (Third) divisions, Sixth Corps, moved from Potomac Creek to Stafford Court-House; the-Eleventh Corps from Catlett's Station to Manassas Junction, and thence toward Centreville; the Twelfth Corps reached Dumfries; and the Artillery Reserve moved from Stafford Court-House to Wolf Run Shoals. Daniel Tyler's command, of the Eighth Army Corps, fell back from Martinsburg to Maryland Heights.

June 15.–Headquarters Army of the Potomac moved from Dumfries to Fairfax Station; the Second Corps (Hancock's) moved from Falmouth to near Aquia; the Fifth Corps from Catlett's Station, via Bristoe Station, to Manassas Junction; the Sixth Corps from Aquia Creek and Stafford Court-House to Dumfries; the Twelfth Corps from Dumfries to Fairfax Court-House; the Cavalry Corps (except Wyndham's brigade, which marched from Warrenton to Manassas Junction, and thence on the 16th to Union Mills) from Warrenton Junction to Union Mills and Bristoe Station; the Artillery Reserve from Wolf Run Shoals to Fairfax Court-House; and the Eleventh Corps arrived at Centreville. Milroy's (Second) division, of the Eighth Army Corps, evacuated Winchester, and fell back to Maryland Heights and Hancock, Md.

June 16.–The Second Corps marched from near Aquia, via Dumfries, to Wolf Run Shoals, on the Occoquan; the Sixth Corps from Dumfries to Fairfax Station; and the Cavalry Corps from Union Mills and Bristoe Station to Manassas Junction and Bull Run.

June 17.–The First Corps marched from Manassas Junction to Herndon Station; the Second Corps from Wolf Run Shoals to Sangster's Station', the Third Corps from Manassas Junction to Centreville; the Fifth Corps from Manassas Junction to Gum Springs; the Eleventh Corps from Centreville to Cow-Horn Ford, or Trappe Rock, on Goose Creek; and the Twelfth Corps from Fairfax Court-House to near Dranesville. The Cavalry Corps moved from Manassas Junction and Bull Run to Aldie.

June 18.–Headquarters Army of the Potomac moved from Fairfax Station to Fairfax Court-House ; the Sixth Corps from Fairfax Station to Germantown; and the Twelfth Corps from near Dranesville to Leesburg. J. I. Gregg's cavalry brigade advanced from Aldie to Middleburg, and returned to a point midway between the two places.

June 19.–The First Corps marched from Herndon Station to Guilford Station; the Third Corps from Centreville to Gum Springs; and the Fifth Corps from Gum Springs to Aldie. Gregg's cavalry division, except McIntosh's (late Wyndham's) brigade, advanced to Middleburg. McIntosh's brigade moved from Aldie to Hay Market.

June 20.–The Second Corps moved from Sangster's Station to Centreville, and thence toward Thoroughfare Gap; the Second Division (Howe's), Sixth Corps, from Germantown to Bristoe Station.

June 21.–The Second Corps arrived at Gainesville and Thoroughfare Gap. The Cavalry Corps (except McIntosh's brigade, of Gregg's division), supported by Barnes' (First) division, Fifth Corps, marched from Aldie and Middleburg to Upperville. McIntosh's cavalry brigade marched from Hay Market to Aldie, and thence to Upperville. Stahel's division of cavalry, from the Defenses of Washington, moved from Fairfax Court-House, via Centreville and Gainesville, to Buck-land Mills.

June 22.–The Cavalry Corps and Barnes' (First) division, of the Fifth Corps, returned from Upperville to Aldie. Stahel's cavalry division moved from Buckland Mills, via New Baltimore, to Warrenton.

June 23.–Stahel's cavalry division moved from Warrenton, via Gainesville, to Fairfax Court-House.

June 24.–Newton's (Third) division, Sixth Corps, moved from Germantown to Centreville, and the Eleventh Corps from Cow-Horn Ford, or Trappe Rock, on Goose Creek, to the south bank of the Potomac, at Edwards Ferry. Stahel's cavalry division moved from Fairfax Court-House to near Dranesville.

June 25.–The First Corps marched from Guilford Station, Va., to Barnesville, Md.; the Third Corps from Gum Springs, Va., to the north side of the Potomac, at Edwards Ferry and the mouth of the Monocacy; the Eleventh Corps from Edwards Ferry, Va., to Jefferson, Md.; and the Artillery Reserve from Fairfax Court-House, Va., to near Poolesville, Md. These commands crossed the Potomac at Edwards Ferry. The Second Corps marched from Thoroughfare Gap and Gainesville to Gum Springs. Howe's (Second) division, Sixth Corps, moved from Bristoe Station to Centreville; Crawford's division (two brigades) of Pennsylvania Reserves, from the Defenses of Washington, marched from Fairfax Station and Upton's Hill to Vienna. Stannard's Vermont Brigade, from the Defenses of Washington, left the mouth of the Occoquan en route to join the Army of the Potomac. Stahel's cavalry division moved from near Dranesville, Va., via Young's Island Ford, on the Potomac, en route to Frederick, Md.

June 26.–Headquarters Army of the Potomac moved from Fairfax Court-House, Va., via Dranesville and Edwards Ferry, to Poolesville, Md.; the First Corps from Barnesville to Jefferson, Md.; the Second Corps from Gum Springs, Va., to the north side of the Potomac, at Edwards Ferry; the Third Corps from the mouth of the Monocacy to Point of Rocks, Md.; the Fifth Corps from Aldie, Va., via Carter's Mills, Leesburg, and Edwards Ferry, to within 4 miles of the mouth of the Monocacy, Md.; the Sixth Corps from Germantown and Centreville to Dranesville, Va.; the Eleventh Corps from Jefferson to Middletown, Md.; the Twelfth Corps from Leesburg. Va., via Edwards Ferry, to the mouth of the Monocacy, Md.; and the Cavalry Corps (Buford's and Gregg's divisions) from Aldie to Leesburg, Va. Stahel's cavalry division was en route between the Potomac and Frederick, Md. Crawford's Pennsylvania Reserves moved from Vienna to Goose Creek, Va.

June 27.–Headquarters Army of the Potomac moved from Poolesville to Frederick, Md.; the First Corps from Jefferson to Middletown, Md.; the Second Corps from near Edwards Ferry, via Poolesville, to Barnesville, Md.; the Third Corps from Point of Rocks, via Jefferson, to Middletown, Md.; the Fifth Corps from a point between Edwards Ferry and the mouth of the Monocacy to Ballinger's Creek, near Frederick, Md.; the Sixth Corps from Dranesville, Va., via Edwards Ferry, to near Poolesville, Md.; the Twelfth Corps from near the mouth of the Monocacy, via Point of Rocks, to Knoxville, Md.; Buford's cavalry division from Leesburg, Va., via Edwards Ferry, to near Jefferson, Md.; Gregg's cavalry division from Leesburg, Va., via Edwards Ferry, toward Frederick, Md.; and the Artillery Reserve from Poolesville to Frederick, Md. Stahel's cavalry division reached Frederick, Md. Crawford's Pennsylvania Reserves moved from Goose Creek, Va., via Edwards Ferry, to the mouth of the Monocacy, Md.

June 28.–The First Corps marched from Middletown to Frederick; the Second Corps from Barnesville to Monocacy Junction; the Third Corps from Middletown to near Woodsborough; the Sixth Corps from near Poolesville to Hyattstown; the Eleventh Corps from Middletown to near Frederick, and the Twelfth Corps from Knoxville to Frederick. Buford's cavalry division moved from near Jefferson to Middletown; Gregg's cavalry division reached Frederick, and marched thence to New Market and Ridgeville. Crawford's Pennsylvania Reserves marched from the mouth of the Monocacy, and joined the Fifth Corps at Ballinger's Creek. Stahel's cavalry division was assigned to the Cavalry Corps, as the Third Division, under Brig. Gen. Judson Kilpatrick, with Brig. Gen. Elon J. Farnsworth commanding the First Brigade and Brig. Gen. George A. Custer commanding the Second Brigade.

June 29.–Headquarters Army of the Potomac moved from Frederick to Middleburg; the First and Eleventh Corps from Frederick to Emmitsburg; the Second Corps from Monocacy Junction, via Liberty and Johnsville, to Uniontown; the Third Corps from near Woodsborough to Taneytown; the Fifth Corps from Ballinger's Creek, via Frederick and Mount Pleasant, to Liberty; the Sixth Corps from Hyattstown, via New Market and Ridgeville, to New Windsor; the Twelfth Corps from Frederick to Taneytown and Bruceville; Gamble's (First) and Devin's (Second) brigades, of Buford's (First) cavalry division, from Middletown, via Boonsborough, Cavetown, and Monterey Springs, to near Fairfield; Merritt's reserve cavalry brigade, of the same division, from Middletown to Mechanicstown; Gregg's (Second) cavalry division from New Market and Ridgeville to New Windsor; Kilpatrick's (Third) cavalry division from Frederick to Littlestown; and the Artillery Reserve from Frederick to Bruceville.

June 30.–Headquarters Army of the Potomac moved from Middleburg to Taneytown; the First Corps from Emmitsburg to Marsh Run; the Third Corps from Taneytown to Bridgeport; the Fifth Corps from Liberty, via Johnsville, Union Bridge, and Union, to Union Mills; the Sixth Corps from New Windsor to Manchester; the Twelfth Corps from Taneytown and Bruceville to Littlestown; Gamble's and Devin's brigades, of Buford's cavalry division, from near Fairfield, via Emmitsburg, to Gettysburg; Gregg's cavalry division from New Windsor to Westminster, and thence to Manchester; Kilpatrick's cavalry division from Littlestown to Hanover; and the Artillery Reserve from Bruceville to Taneytown. Kenly's and Morris' brigades, of French's division, left Maryland Heights for Frederick, and Elliott's and Smith's brigades, of the same division, moved from the Heights, by way of the Chesapeake and Ohio Canal, for Washington.

July 1.–The First Corps moved from Marsh Run and the Eleventh Corps from Emmitsburg to Gettysburg; the Second Corps from Uniontown, via Taneytown, to near Gettysburg; the Third Corps from Bridgeport, via Emmitsburg, to the field of Gettysburg; the Fifth Corps from Union Mills, via Hanover and McSherrystown, to Bonaughtown; the Sixth Corps from Manchester en route to Gettysburg; and the Twelfth Corps from Littlestown, via Two Taverns, to the field of Gettysburg. Gregg's cavalry division marched from Manchester to Hanover Junction, whence McIntosh's and J. I. Gregg's brigades proceeded to Hanover, while Huey's brigade returned to Manchester. Kilpatrick's cavalry division moved from Hanover, via Abbottsville, to Berlin; and the Artillery Reserve (Ransom's and Fitzhugh's brigades) from Taneytown to near Gettysburg. Stannard's Vermont Brigade, from the Defenses of Washington, joined the First Corps on the field of Gettysburg. W.F. Smith's (First) division, of the Department of the Susquehanna, marched from the vicinity of Harrisburg to Carlisle. Kenly's and Morris' brigades of French's division reached Frederick.

July 2.–The Second, Fifth, and Sixth Corps, Lockwood's brigade, from the Middle Department, McIntosh's and J. I. Gregg's brigades, of D. McM. Gregg's cavalry division, Kilpatrick's cavalry division, and the Artillery Reserve, reached the field of Gettysburg. Gamble's and Devin's brigades, of Buford's cavalry division, marched from Gettysburg to Taneytown, and Merritt's reserve brigade from Mechanicstown to Emmitsburg.

July 3.–Gamble's and Devin's brigades, of Buford's cavalry division, moved from Taneytown to Westminster; Merritt's reserve brigade from Emmitsburg to the field of Gettysburg; and Huey's brigade, of Gregg's cavalry division, from Manchester to Westminster.

July 4.–Gamble's and Devin's brigades, of Buford's cavalry division, marched from Westminster, and Merritt's reserve brigade from Gettysburg, en route to Frederick; Huey's brigade, of Gregg's cavalry division, from Westminster, via Emmitsburg, to Monterey: J. I. Gregg's cavalry brigade from Gettysburg to Hunterstown; and Kilpatrick's cavalry division from Gettysburg, via Emmitsburg, to Monterey. Smith's division, of Couch's command, moved from Carlisle, via Mount Holly, to Pine Grove, and the remainder of Couch's troops from the vicinity of Harrisburg toward Shippensburg and Chambersburg. Elliott's and Smith's brigades, of French's division, arrived at. Washington from Maryland Heights, and moved to Tennallytown. Morris' brigade, of French's division, marched from Frederick to Turner's Gap, in South Mountain.

July 5.–Leaving Gettysburg, the Second Corps marched to Two Taverns; the Fifth Corps to Marsh Run; the Sixth Corps to Fairfield; the Eleventh Corps to Rock Creek; the Twelfth Corps to Littlestown; Mcintosh's brigade, of Gregg's cavalry division, to Emmitsburg; and the Artillery Reserve to Littlestown. Buford's cavalry division reached Frederick. J. I. Gregg's cavalry brigade moved from Hunterstown to Greenwood. Kilpatrick's cavalry division and Huey's brigade, of Gregg's cavalry division, marched from Monterey, via Smithsburg, to Boonsborough.

July 6.–The First Corps marched from Gettysburg to Emmitsburg; the Fifth Corps from Marsh Run to Moritz's Cross-Roads; the Sixth Corps from Fairfield to Emmitsburg, except Neill's (Third) brigade, of Howe's (Second) division, which, in conjunction with McIntosh's brigade of cavalry, was left at Fairfield to pursue the enemy; the Eleventh Corps from Rock Creek to Emmitsburg; Buford's cavalry division from Frederick to Williamsport and thence back to Jones' Cross-Roads; Kilpatrick's cavalry division and Huey's brigade, of Gregg's cavalry division, from Boonsborough, via Hagerstown(*) and Williamsport, to Jones' Cross-Roads; McIntosh's brigade, of Gregg's cavalry division, from Emmitsburg to Fairfield; and J. I. Gregg's brigade, of Gregg's cavalry division, from Greenwood to Marion. Smith's division, of Couch's command, moved from Pine Grove to Newman's Pass. Kenly's brigade, of French's division, marched from Frederick en route to Maryland Heights. Elliott's and Smith's brigades, of French's division, left Tennallytown, via Washington and the Baltimore and Ohio Railroad, en route to Frederick.

July 7.–Headquarters Army of the Potomac moved from Gettysburg to Frederick; the First Corps from Emmitsburg to Hamburg; the Second Corps from Two Taverns to Taneytown; the Third Corps from Gettysburg, via Emmitsburg, to Mechanicstown; the Fifth Corps from Moritz's Cross-Roads, via Emmitsburg, to Utica; the Sixth Corps from Emmitsburg to Mountain Pass, near Hamburg; the Eleventh Corps from Emmitsburg to Middletown; the Twelfth Corps from Littlestown to Walkersville; and the Artillery Reserve from Littlestown to Woodsborough. Buford's and Kilpatrick's cavalry divisions and Huey's brigade, of Gregg's cavalry division, moved from Jones' Cross-Roads to Boonsborough. J. I. Gregg's cavalry brigade was moving en route from Chambersburg to Middletown. McIntosh's brigade of cavalry and Neill's brigade, of the Sixth Corps, moved from Fairfield to Waynesborough. Smith's division, of Couch's command, marched from Newman's Pass to Altodale. Kenly's brigade, of French's division, with other troops forwarded by Schenck from Baltimore, reoccupied Maryland Heights. Elliott's and Smith's brigades, of French's division, reached Frederick from Washington.

July 8.–Headquarters Army of the Potomac moved from Frederick to Middletown; the First Corps from Hamburg to Turner's Gap, in South Mountain; the Second Corps from Taneytown to Frederick; the Third Corps from Mechanicstown to a point 3 miles southwest of Frederick; the Fifth Corps from Utica to Middletown; the Sixth Corps from near Hamburg to Middletown; the Eleventh Corps from Middletown to Turner's Gap, in South Mountain, Schurz's (Third) division being advanced to Boonsborough; the Twelfth Corps from Walkersville to Jefferson; and the Artillery Reserve from Woodsborough to Frederick. J. I. Gregg's cavalry brigade was moving en route from Chambersburg to Middletown. Smith's division, of Couch's command, moved from Altodale to Waynesborough. Campbell's and Mulligan's brigades, of Kelley's command, Department of West Virginia, were concentrated at Hancock, whence they moved to Fairview, on North Mountain.

July 9.–Headquarters Army of the Potomac moved from Middletown to Turner's Gap; the Second Corps from Frederick to Rohrersville; the Third Corps from near Frederick to Fox's Gap, in South Mountain; the Fifth Corps from Middletown, via Fox's Gap, to near Boonsborough; the Sixth Corps from Middletown to Boonsborough; the Twelfth Corps from Jefferson to Rohrersville: and the Artillery Reserve from Frederick to Boonsborough. J. I. Gregg's cavalry brigade reached Middletown from Chambersburg. Elliott's and Smith's brigades, of French's division, marched from Frederick to Middletown.

July 10.–Headquarters Army of the Potomac moved from Turner's Gap to Beaver Creek, beyond Boonsborough; the First Corps from Turner's Gap to Beaver Creek, where it was joined by Kenly's brigade, of French's division, from Maryland Heights; the Second Corps from Rohrersville to near Tilghmanton; the Third Corps from Fox's Gap, through Boonsborough, to Antietam Creek, in the vicinity of Jones' Cross-Roads, where it was joined by Elliott's and Smith's brigades, of French's division, which marched from Middletown, and Morris' brigade, of the same division, which marched from Turner's Gap; the Fifth Corps from near Boonsborough to Delaware Mills, on Antietam Creek; the Sixth Corps from Boonsborough to Beaver Creek; the Eleventh Corps from Turner's Gap to Beaver Creek; and the Twelfth Corps from Rohrersville to Bakersville. Buford's and Kilpatrick's cavalry divisions moved from Boonsborough to Funkstown; Huey's brigade, of Gregg's cavalry division, from Boonsborough to Jones' Cross-Roads, and McIntosh's cavalry brigade from Waynesborough, via Smithsburg and Leitersburg, to Old Antietam Forge, and back to Waynesborough.

July 11.–The Second Corps moved from near Tilghmanton to the neighborhood of Jones' Cross-Roads; the Twelfth Corps from Bakersville to Fair Play and Jones' Cross-Roads; Gamble's and Devin's brigades, of Buford's cavalry division, from Funkstown to Bakersville; J. I. Gregg's cavalry brigade from Middletown to Boonsborough; Kilpatrick's cavalry division from Funkstown to near Hagerstown; the Artillery Reserve from Boonsborough to Benevola; Neill's brigade, of the Sixth Corps, and Smith's division, of Couch's command, from Waynesborough to Leitersburg.

July 12.–The First, Sixth, and Eleventh Corps moved from Beaver Creek to Funkstown; McIntosh's cavalry brigade from Waynesborough, via Leitersburg, to Boonsborough Kilpatrick's cavalry division and Ames' (First) division, Eleventh Corps, occupied Hagerstown; Neill's brigade, of the Sixth Corps, moved from Leitersburg to Funkstown, where it rejoined its corps; Smith's division (except one brigade, left at Waynesborough) from Leitersburg to Cavetown; Dana's (Second) division, of Couch's command, from Chambersburg to Greencastle; and Averell's cavalry brigade, Department of West Virginia, from Cumberland en route to Fairview.

July 13.–The Sixth Corps moved from Funkstown to the vicinity of Hagerstown; the Artillery Reserve from Benevola to Jones' Cross-Roads, two brigades remaining at the latter place and the others returning to Benevola; Smith's division, of Couch's command, from Waynesborough and Cavetown to Hagerstown and Beaver Creek. Averell's cavalry brigade joined Kelley's infantry at Fairview.

July 14.–The First Corps marched from Funkstown to Williamsport; the Second Corps from near Jones' Cross-Roads to near Falling Waters; the Third Corps from Antietam Creek, near Jones' Cross-Roads, across Marsh Creek; the Fifth Corps from the vicinity of Roxbury Mills, on Antietam Creek, to near Williamsport; the Sixth Corps from the neighborhood of Hagerstown to Williamsport; the Eleventh Corps from Funkstown, via Hagerstown, to Williamsport; and Williams (First) division, of the Twelfth Corps, from Jones' Cross-Roads to near Falling Waters, and thence to near Williamsport. Buford's cavalry division moved from Bakersville to Falling Waters; McIntosh's and J. I. Gregg's brigades, of D. McM. Gregg's cavalry division, from Boonsborough to Harper's Ferry: Huey's brigade, of same division, from Jones' Cross-Roads, via Williamsport, to Falling Waters; and Kilpatrick's cavalry division from Hagerstown, via Williamsport, to Falling Waters. Kelley's command, Department of West Virginia, marched from Fairview to Williamsport.

July 15.–Headquarters Army of the Potomac moved from Beaver Creek to Berlin; the First Corps from Williamsport to Rohrersville; the Second Corps from near Falling Waters to near Sandy Hook; the Third Corps from Marsh Creek to near Burnside's bridge, on the Antietam; the Fifth Corps from near Williamsport to Burkittsville; the Sixth Corps from Williamsport to Boonsborough; the Eleventh Corps from Williamsport, via Hagerstown, to Middletown; and the Twelfth Corps from Fair Play and near Williamsport to Sandy Hook. Two brigades of the Artillery Reserve moved from Jones' Cross-Roads, and, joining the remainder of the reserve at Benevola, the whole command marched thence, via Middletown, to Berlin. Buford's cavalry division moved from Falling Waters to Berlin; McIntosh's and J. I. Gregg's brigades, of D. McM. Gregg's cavalry division, from Harper's Ferry, via Halltown, to Shepherdstown; Huey's brigade, of same division, from Falling Waters to Boonsborough; and Kilpatrick's cavalry division from Falling Waters, via Williamsport and Hagerstown, to Boonsborough. Kelley's command, Department of West Virginia, marched from Williamsport to Indian Springs.

July 16.–The First Corps marched from Rohrersville to near Berlin; the Third Corps from Burnside's bridge to Pleasant Valley, near Sandy Hook; the Fifth Corps from Burkittsville, via Petersville, to near Berlin; the Sixth Corps from Boonsborough to near Berlin; the Eleventh Corps from Middletown, via Jefferson, to Berlin; and the Twelfth Corps from Sandy Hook to Pleasant Valley. Buford's cavalry division moved from Berlin to Petersville; Huey's brigade, of Gregg's cavalry division, from Boonsborough, via Harper's Ferry, to Shepherdstown; and Kilpatrick's division from Boonsborough to Berlin, whence De Forest's (First) brigade proceeded to Harper's Ferry.
Primary Document

July 17.–The Third Corps moved from near Sandy Hook, crossed the Potomac at Harper's Ferry, and proceeded to a point 3 miles south of the Ferry; the Fifth Corps moved from near Berlin to Lovettsville, crossing the Potomac at Berlin. Gregg's cavalry division marched from Shepherdstown to Harper's Ferry; Kilpatrick's cavalry division from Berlin and Harper's Ferry to Purcellville, Custer's brigade crossing the Potomac at Berlin, and De Forest's brigade the Shenandoah at Harper's Ferry. Kelley's command, Department of West Virginia, moved from Indian Springs, Md., to Hedgesville, W. Va., crossing the Potomac at Cherry Run.

July 18.–Headquarters Army of the Potomac moved from Berlin, Md., to Lovettsville, Va.; the First Corps from near Berlin to Waterford, crossing the Potomac at Berlin; the Second Corps from near Sandy Hook to Hillsborough, crossing the Potomac and Shenandoah Rivers at Harper's Ferry; the Third Corps from near Harper's Ferry to Hillsborough; the Fifth Corps from Lovettsville to near Purcellville; the Artillery Reserve from Berlin to Wheatland; and Buford's cavalry division from Petersville to Purcellville, crossing the Potomac at Berlin.

July 19.–Headquarters Army of the Potomac moved from Lovettsville to Wheatland; the First Corps from Waterford to Hamilton; the Second and Third Corps from Hillsborough to Wood Grove; the Fifth Corps from near Purcellville to a point on the road to Philomont; the Sixth Corps from near Berlin to Wheatland, and the Eleventh Corps from Berlin to near Hamilton, both corps crossing the Potomac at Berlin; the Artillery Reserve from Wheatland to Purcellville; and the Twelfth Corps from Pleasant Valley to near Hillsborough, crossing the Potomac and Shenandoah Rivers at Harper's Ferry. Buford's cavalry division moved from Purcellville, via Philomont, to near Rector's Cross-Roads. McIntosh's brigade, of Gregg's cavalry division, moved from Harper's Ferry toward Hillsborough, and Huey's and J. I. Gregg's brigades, of the same division, from Harper's Ferry to Lovettsville. Kilpatrick's division of cavalry marched from Purcellville to Upperville. Kelley's command, Department of West Virginia, fell back from Hedgesville to the Maryland side of the Potomac at Cherry Run.

July 20.–Headquarters Army of the Potomac moved from Wheatland to Union; the First Corps from Hamilton to Middleburg; the Second and Third Corps from Wood Grove, the former going to Bloomfield and the latter to Upperville; the Fifth Corps from a point on the Purcellville and Philomont road, via Union, to Panther Skin Creek; the Sixth Corps from Wheatland to near Beaver Dam; the Eleventh Corps from near Hamilton, via Mount Gilead, to Mountville; the Twelfth Corps from near Hillsborough, via Wood Grove, to Snickersville; and the Artillery Reserve from Purcellville to Union. Buford's cavalry division moved from near Rector's Cross-Roads to Rectortown, Gamble's brigade going thence to Chester Gap, Devin's brigade to Salem, and Merritt's brigade to Manassas Gap. McIntosh's brigade, of Gregg's cavalry division, reached Hillsborough, and marched thence toward Purcellville. Huey's and J. I. Gregg's brigades, of same division, moved from Lovettsville to Goose Creek.

July 21.–Huey's and J. I. Gregg's brigades, of D. McM. Gregg's cavalry division, moved from Goose Creek to Bull Run; McIntosh's brigade returned to Hillsborough; Kelley's command, Department of West Virginia, recrossed the Potomac from Maryland into Virginia at Cherry Run.

July 22.–Headquarters Army of the Potomac moved from Union to Upperville; the First Corps from Middleburg to White Plains; the Second Corps from Bloomfield to Paris; the Third Corps from Upperville, via Piedmont, to Linden; the Fifth Corps from Panther Skin Creek to Rectortown; and the Sixth Corps from near Beaver Dam to Rectortown. Devin's brigade, of Buford's cavalry division, moved from Salem to Barbee's Cross-Roads; Huey's and J. I. Gregg's brigades, of D. McM. Gregg's cavalry division, from Bull Run to Broad Run; and Kilpatrick's cavalry division from Upperville to Piedmont.

July 23.–Headquarters Army of the Potomac moved from Upperville to Linden; the First Corps from White Plains to Warrenton; the Second Corps from Paris to Linden; the Third Corps from Linden to Manassas Gap; the Fifth Corps from Rectortown, via Markham Station, Farrowsville, and Linden, to Manassas Gap; the Sixth Corps from Rectortown to White Plains and Barbee's Cross-Roads; the Eleventh Corps from Mountville to New Baltimore; the Twelfth Corps from Snickersville to Ashby's Gap and thence to Markham Station: and the Artillery Reserve from Union to near Rock Creek. Buford's cavalry division concentrated at Barbee's Cross-Roads; McIntosh's brigade, of Gregg's cavalry division, moved from Hillsborough to Snickersville; and Kilpatrick's cavalry division from Piedmont to Amissville.

July 24.–Headquarters Army of the Potomac moved from Linden to Salem; the Second Corps from Linden to Markham Station; the First Division (Wright's), Sixth Corps, from White Plains to New Baltimore; the Second Division (Howe's), Sixth Corps, from Barbee's Cross-Roads to Markham Station and thence to Orleans; the Third Division (Bartlett's), Sixth Corps, from Barbee's Cross-Roads to Thumb Run; and the Twelfth Corps from Markham Station to Linden, countermarching, via Markham Station, to Piedmont. Huey's and J. I. Gregg's brigades, of D. McM. Gregg's cavalry division, moved from Broad Run to Warrenton Junction. Kelley's command, Department of West Virginia, advanced from Cherry Run to Hedgesville.

July 25.–Headquarters Army of the Potomac moved from Salem to Warrenton; the First Corps from Warrenton to Warrenton Junction, the Second Division (Robinson's) going on to Bealeton; the Second Corps from Markham Station to White Plains; the Third Corps from Manassas Gap to near Salem; the Fifth Corps from Manassas Gap, via Farrowsville and Barbee's Cross-Roads, to Thumb Run; the Sixth Corps concentrated at Warrenton, Wright's (First) division moving from New Baltimore, Howe's (Second) division from Orleans, and Bartlett's (Third) division from Thumb Run; the Eleventh Corps moved from New Baltimore to Warrenton Junction; and the Twelfth Corps from Piedmont, via Rectortown and White Plains, to Thoroughfare Gap. The Artillery Reserve reached Warrenton. Kelley's command, Department of West Virginia, occupied Martinsburg.

July 26.–The Second Corps marched from White Plains to near Germantown; the Third Corps from near Salem to vicinity of Warrenton; the Fifth Corps from Thumb Run to vicinity of Warrenton, Crawford's (Third) division taking position at Fayetteville; and the Twelfth Corps from Thoroughfare Gap, via Greenwich and Catlett's Station, to Warrenton Junction. Buford's cavalry division took position at Warrenton and Fayetteville. McIntosh's brigade, of Gregg's cavalry division, marched from Snickersville, via Upperville, to Middleburg. Kelley's command, Department of West Virginia, occupied Winchester.

July 27.–The Fifth Corps encamped between Warrenton and Fayetteville. McIntosh's brigade, of Gregg's cavalry division, marched from Middleburg, via White Plains, New Baltimore, and Warrenton toward Warrenton Junction.

July 28.–McIntosh's brigade, of Gregg's cavalry division, moved, via Warrenton Junction, to Catlett's Station.

July 29.–D. McM. Gregg's cavalry division moved from Warrenton Junction and Catlett's Station to Warrenton.

July 30.–Kenly's (Third) division, First Corps, moved from Warrenton Junction to Rappahannock Station; the Second Corps from near Germantown to Elk Run; D. McM.
Gregg's cavalry division from Warrenton to Amissville; and Kilpatrick's cavalry division from Amissville to Warrenton.

July 31.–The Second Corps marched from Elk Run to Morrisville; Howe's (Second) division, Sixth Corps, from Warrenton to near Waterloo: the Twelfth Corps from Warrenton Junction to Kelly's Ford; and Kilpatrick's cavalry division from Warrenton to Warrenton Junction.

Credit: Itinerary of the Army of the Potomac and co-operating forces, June 5-July 31, 1863 The Gettysburg Campaign O.R. - SERIES I - VOLUME XXVII/1 [S# 43]