1st REGIMENT HEAVY ARTILLERY.

Organized at Bangor as 18th Infantry and mustered in August 21, 1862. Left State for Washington, D.C., August 24. Designation changed to 1st Heavy Artillery January 6, 1863. Company "L" organized January, 1864, and Company "M" February, 1864. Attached to Defences of Washington August, 1862, to February, 1863. 2nd Brigade, Haskins' Division, 22nd Army Corps. Defences North of the Potomac to May, 1864. 2nd Brigade, 4th Division, 2nd Army Corps, Army of the Potomac, to May 24, 1864. 1st Brigade, 3rd Division, 2^nd Army Corps, to July, 1864. 2nd Brigade, 3rd Division, 2nd Army Corps, to June, 1865. 3rd Brigade, Hardin's Division, 22nd Corps, to September, 1865.

SERVICE---Duty in the Defences of Washington, building and garrisoning Batteries and Forts. Eight Companies at Fort Alexandria, Company "E" at Batteries Vermont and Mattox, Company "K" at Batteries Cameron and Parrott, August 26, 1862, to May 15, 1864. Moved to Belle Plains, Va., May 15, 1864, as a part of Tyler's Heavy Artillery Division. Rapidan Campaign May 18 to June 15. Harris' Farm, Fredericksburg Road, May 19. (82 killed, 394 wounded, 5 missing; total 481.) On line of North Anna May 20-23. North Anna May 23-26. On line ef the Pamunkey River May 26-28. Totopotomoy May 23-31. Cold Harbor June 1-5. Barker's Mills June 5-12. Before Petersburg June 16-19. Hare's House, Assault on Petersburg, June 18. (Sustained greatest loss of any one Regiment in any one action of the war. 635 killed and wounded out of 900 engaged.) Siege of Petersburg June 16, 1864, to April 2, 1865. Weldon Railroad June 22-23, 1864. Picket duty at Deserted House till July 23. Demonstration on north side of James River July 27-29. Deep Bottom July 27-28. Duty at Hare's House till August 12. Demonstration on north side of James River August 13-20. Strawberry Plains August 14-18. Near Fort Sedgwick till September 30. Poplar Springs Church September 30-October 2. Yellow House October 1. Squirrel Level Road October 2. At Fort Sedgwick October 6-24. Boydton Plank Road, Hatcher's Run, October 27-28. Warren's Hicksford Raid December 7-12. Hatcher's Run February 5-7, 1865. Armstrong House March 25. Appomattox Campaign March 28-April 9. South Side Railroad March 29. Boydton Road and White Oak Ridge March 29-31. Fall of Petersburg April 2. Jettersvtlle April 5. Amelia Springs and Sailor's Creek April 6. Farmville April 7. Appomattox C. H. April 9. Surrender of Lee and his army. Moved to Washington, D.C., May 9-16. Grand Review May 23. Garrison Forts in the Defences of Washington from Fort Washington to Fort Mahone June 27 to September 11. Mustered out September 11 and ordered to Bangor, Me. Discharged September 20, 1865.

Of all Regiments in army this Regiment sustained greatest loss in battle. 23 Officers and 400 Enlisted men killed and mortally wounded; 260 died of disease, etc. Total 683.

1st BATTERY LIGHT ARTILLERY ("A").

Organized at Portland and mustered in December 18, 1861. Moved to Lowell, Mass., December 19, and duty there till February, 1862. Moved to Boston February 2, and there embarked on Steamer "Idaho" for Ship Island, Miss., February 8, arriving there March 10. Duty at Ship Island till May 8. Attached to 3rd Brigade, Dept. of the Gulf, to September, 1862. Weitzel's Reserve Brigade, Dept. Gulf, to January, 1863. Artillery, 1st Division, 19th Army Corps, Dept. Gulf, to January, 1864. Artillery, 2nd Division, 19th Army Corps, to April, 1864. Camp Barry, Defences of Washington, 22nd Army Corps, to July, 1864. Artillery, 2nd Division, 19th Army Corps, Army of the Shenandoah, Middle Military Division, to February, 1865. 2nd Division, Army Shenandoah, to July.

SERVICE--Moved from Ship Island, Miss., to New Orleans, La., May 8-15, and provost duty there till September, 1862. Duty at Camp Parapet September 1-October 24. Operations in La Fourche District October 24-November 6. Action at Georgia Landing, Labadieville, October 27. At Thibodeauxville till January, 1863. Expedition up the Teche January 11-18. Action with Steamer "Cotton," Bayou Teebe, January 14. At Camp Stevens, Brashear City and Bayou Boeuf till April. Operations in Western Louisiana April 9-May 14. Teche Campaign April 11-20. Fort Bisland, near Centreville, April 12-13. Jeanerette April 14. Expedition from Opelousas to Barre Landing April 21. Siege of Port Hudson May 23-July 8. Thompson's Creek May 25. Assaults on Port Hudson May 27 and June 14. Surrender of Port Hudson July 8. Koch's Plantation, Donaldsonville, July 12-13. Moved to Baton Rouge August 3, and duty there till September 18. Western Louisiana Campaign October 3-November 18. At New Iberia till January 7, 1864. Moved to Franklin January 7, thence to Brashear City and New Orleans January 18-20. On Veteran furlough February and March. Moved to Annapolis, Md., April 15-19, thence to Camp Barry, Washington, D.C., April 20. Duty there and at Forts Smith and Strong, Defences of Washington, till July. Repulse of Early's attack on Washington July 11-12. At Camp Barry till July 30. Ordered to Tennallytown July 30, and join 19th Army Corps at Monocacy Junction August 1. Sheridan's Shenandoah Valley Campaign August 7-November 28. March to Middletown August 6-15; to Winchester, thence to Berryville August 15-17, and to Halltown August 21. At Berryville August 28-September 18. Battle of Opequan, Winchester, September 19. Fisher's Hill September 22. Battle of Cedar Creek October 19. Duty near Cedar Creek till November 9, and near Winchester till December 30. At Stevenson's Depot till January 14, 1865; at Manchester till April 14, and at Winchester till July 9. Moved to Portland, Me., July 9-13. Mustered out July 15, 1865.

Battery lost during service 2 Officers and 13 Enlisted men killed and mortally wounded, and 28 Enlisted men by disease. Total 43.

2nd BATTERY LIGHT ARTILLERY ("B").

Organized at Augusta and mustered in November 20, 1861. Duty at Augusta till March 10, 1862, and at Fort Preble, Portland, Me., till April 2. Ordered to Washington, D.C., April 2, and camp at Capital Hill till April 20. Attached to 2nd Brigade, 2nd Division (McDowell's), Dept. of the Rappahannock, to June, 1862. Artillery, 2nd Division, 3rd Army Corps. Army of Virginia, to September. 1862. Artillery, 2nd Division, 1st Army Corps, Army of the Potomac, to June, 1863. Artillery Brigade, 1st Army Corps, to November, 1863. Camp Barry, Defences of Washington, D.C., 22nd Army Corps, to April, 1864. Artillery, 1st Division, 9th Army Corps, Army Potomac, to July, 1864. Artillery Brigade, 9th Army Corps, to August, 1864. Artillery Reserve, Army Potomac, to May, 1865.

SERVICE---Moved to Potomac Creek, Va., thence to Belie Plains April 20-27, 1862. Moved to Falmouth May 9, thence to Manassas and Front Royal May 25-30. Moved to Manassas June 16, to Warrenton July 5, to Waterloo July 9, thence to Culpeper C. H. August 5. Battle of Cedar Mountain August 9, Pope's Campaign in Northern Virginia August 16-September 2. Fords of the Rappahannock August 21-23. Plains of Manassas August 25-27. Thoroughfare Gap August 28. Battle of Groveton August 29. Bull Run August 30. Centreville September 1. Duty in the Defences of Washington September 11-October 13. Operations in Maryland and Virginia October 13-November 23. Camp at Brooks Station November 23-December 9. Battle of Fredericksburg December 12-15. "Mud March" January 20-24, 1863. Camp near Fletcher's Chapel till April 28. Chancellorsville Campaign April 28-May 8. Operations at Fitzhugh's Crossing April 29-May 2. Battle of Chancellorsville May 2-5. Battle of Gettysburg, Pa., July 1-3. At Norman's Ford August 2-September 16. Moved to Culpeper, thence to the Rapidan River. Ordered to Camp Barry, Washington, D.C., November 5, and duty there till April 25, 1864. Joined 9th Army Corps April 25. Rapidan Campaign May 3-June 15. Battles of the Wilderness May 5-7. Spottsylvania May 8-12. Ny River May 10. Spottsylvania C. H. May 12-21. North Anna River May 23-26. On line of the Pamunkey River May 26-28. Totopotomoy May 28-31. Cold Harbor June 1-12. Bethesda Church June 1-3. Before Petersburg June 15-September 17, 1864. Mine Explosion, Petersburg, July 30. Moved to City Point September 17, and duty in the defences at that point till May 3, 1865. Defence of City Point September 18, 1864, and April 2, 1865. Moved to Alexandria, Va., May 3, thence to Augusta May 31. Mustered out June 16, 1865. Battery lost during service 1 Officer and 4 Enlisted men killed and mortally wounded, and 26 Enlisted men by disease. Total 31.

3rd BATTERY LIGHT ARTILLERY ("C").

Organized at Augusta and mustered in December 11, 1861. Duty at Augusta till March 19, 1862, and at Portland, Me., till April 1. Moved to Washington, D.C., April 1-8. Camp at Capital Hill till April 14. Assigned to duty as Pontooneers, McDowell's Dept. of the Rappahannock, April to June, 1862. Pontooneers, 3rd Army Corps, Army of Virginia, to September, 1862. 1st Brigade, Haskins' Division, Defences of Washington, to February. 1863. Battery assigned to 1st Maine Heavy Artillery as Company "M" March 28, 1863. Attached to Haskins' Division, 22nd Army Corps, to February, 1864. Detached from 1st Maine Heavy Artillery and reorganized as 3rd Battery February 23, 1864. Attached to Camp Barry. Defences of Washington, 22nd Corps, April to July, 1864. Artillery, 3rd Division, 9th Army Corps, Army Potomac, to August, 1864. Artillery Reserve, Array Potomac, to June, 1865.

SERVICE--Duty with Pontoon Train at Falmouth, Va., Washington. D.C., and at Alexandria, Va., April to November, 1862. Pope's Campaign in Northern Virginia August 16-September 2. Battle of Bull Run August 30. At Fort Lincoln, Defences of Washington, till March 28, 1863, and in the Defences with 1st Maine Heavy Artillery till January, 1864. On Veteran furlough January and February: Moved to Camp Barry March 25, and duty there till July 5. Moved to City Point, thence to Petersburg front July 5-9. Siege of Petersburg July 9-October 25. Moved to City Point, Va., October 25, and duty in the defences at that point till May 3, 1865. Moved to Washington, D.C., May 3-17. At Fairfax Seminary till June 2. Ordered to Augusta, Me., and mustered out June 17, 1865.

Battery lost during service 3 Enlisted men killed and mortally wounded and 14 Enlisted men by disease. Total 17.

4th BATTERY LIGHT ARTILLERY ("D").

Organized at Augusta and mustered in December 21, 1861. Duty at Augusta till March 14, 1862, and at. Portland till April 1. Moved to Washington, D.C., April 1-3, and duty in the defences of that city till June 28. Ordered to Harper's Ferry, W. Va., June 28, and attached to 2nd Division, 2nd Army Corps, Army of Virginia, to September, 1862. Artillery, 3rd Division, 3rd Army Corps, Army Potomac, to May, 1863. Artillery Brigade, 3rd Army Corps, to September, 1863. Artillery. 2nd Division, 3rd Army Corps, to April, 1864. Artillery Brigade, 6th Army Corps, to August, 1864. Artillery Reserve, Army Potomac, to March, 1865. Artillery Reserve, Army Potomac, to June, 1865.

SERVICE--Battle of Cedar Mountain Va., August 9. Pope's Campaign in Northern Virginia August 16-September 2. Fords of the Rappahannock August 20-23. Sulphur Springs August 24. Battles of Groveton August 29, and Bull Run August 30. Battle of Antietam, Md., September 16-17. Duty at Maryland Heights till October 13, and on the Upper Potomac till December 10. At Bolivar Heights till April 7, and at Maryland Heights till June 30. Moved to Monocacy Junction, thence to South Mountain, Md., June 30-July 6. Pursuit of Lee July 6-24. Wapping Hetghts, Va., July 23. Camp near Bealton August 1-September 15, and on Culpeper and Warrenton Pike till October 10. Bristoe Campaign October 10-22. Culpeper October 12-13. McLean's Ford October 15. Kelly's Ford November 7. Mine Run Campaign November 26-December 2. Payne's Farm November 27. At Brandy station till March 31, 1864. Rapidan Campaign May 4-June 15. Battle of the Wilderness May 5-7. Spottsylvania May 8-12. Spottsylvania C. H. May 12-21. North Anna River May 23-27. Totopotomoy May 28-31. Cold Harbor June 1-12. Siege of Petersburg, Va., June 17, 1864, to April 2, 1865, Mine Explosion, Petersburg. July 30, 1864. Duty in the trenches before Petersburg at various points from the James River to the Weldon Railroad till April, 1865. Fall of Petersburg April 2. Sailor's Creek April 6. Appomattox C. H. April 9. Surrender of Lee and his army. Mustered out June 17, 1865.

Battery lost during service 5 Enlisted men killed and mortally wounded and 1 Officer and 22 Enlisted men by disease. Total 28.

5th BATTERY LIGHT ARTILLERY ("E").

Organized at Augusta and mustered in December 4, 1861. Duty at Augusta till March 10, 1862, and at Fort Preble, Portland, Me., till April 1. Moved to Washington, D.C., April 1-3. Camp on Capital Hill till May 19. Moved to Aquia Creek, thence to Fredericksburg, Va., May 19-22. Attached to 2nd Division, Dept. of the Rappahannock, to June, 1862. 2nd Division, 3rd Army Corps, Army of Virginia, to September, 1862. 2nd Division, 1st Corps, Army Potomac, to May, 1863. Artillery Brigade, 1st Army Corps, to April, 1864. Artillery Brigade, 5th Army Corps, to June, 1864. Artillery Brigade, 6th Army Corps, to December, 1864. Artillery Brigade, Army of the Shenandoah, to July, 1865.

SERVICE--Moved to Front Royal, Va., May 25, 1862, and to Manassas June 17. At Warrenton July 4-22. March to Waterloo July 22, thence to Culpeper August 4. Battle of Cedar Mountain August 9. Pope's Campaign in Northern Virginia August 16-September 2. Fords of the Rappahannock August 20-23. Thoroughfare Gap August 28. Battle of Groveton August 29, and Bull Run August 30. Ordered to Washington September 7, to refit, and duty there till October 24. Moved to Berlin October 24, and thence to Lovettsville October 30. Reconnoissance from Bolivar Heights to Rippen, W. Va., November 9. Battle of Fredericksburg December 12-15. "Mud March" January 20-24, 1863. At Fletcher's Chapel till April 28. Chancellorsville Campaign April 28-May 6. Operations at Fitzhugh's Crossing April 29-May 2. Battle of Chancellorsville May 2-5. Battle of Gettysburg, Pa., July 1-3. Bristoe Campaign October 9-22. Advance to line of the Rappahannock November 7-8. Mine Run Campaign November 26-December 2. Rapidan Campaign May 4-June 15, 1864. Battles of the Wilderness May 5-7. Spottsylvania May 8-12. Ny River May 10. Spottsylvania C. H. May 12-21. North Anna River May 23-26. Line of the Pamunkey May 26-28. Totopotomoy May 28-31. Cold Harbor June 1-12. Before Petersburg June 17-19. Siege of Petersburg June 17-July 9, 1864. Ordered to Washington, D.C. Sheridan's Shenandoah Valley Campaign August 7-November 28. Battle of Opequan, Winchester, September 19. Fisher's Hill September 22. Battle of Cedar Creek October 19. Duty at Strasburg till November 10. Near Winchester till December 28, and at Stevenson's Depot till January 10, 1865. At Frederick, Md., till April 4. At Winchester till June 21. Ordered to Augusta, Me., June 21, and there mustered out July 6, 1865.

Battery lost during service 2 Officers and 16 Enlisted men killed and mortally wounded and 15 Enlisted men by disease. Total 33.

6th BATTERY LIGHT ARTILLERY ("F").

Organized at Augusta and mustered in January 1, 1862. Duty at Augusta till March and at Portland, Me., till April 1. Moved to Washington, D.C., April 1-3. Camp at East Capital Hill and at Forts Buffalo and Ramsey, and at Falls Church, Va., till June. Ordered to report to General Banks at Harper's Ferry, W. Va. Attached to 2nd Division, 2nd Army Corps, Army of Virginia, to August, 1862. 3rd Division, 3rd Army Corps, Army Potomac, August, 1862. Artillery, 1st Division, 3rd Army Corps, to September, 1862. Artillery, 2nd Division, 12th Corps, Army Potomac, to June, 1863. 4th Volunteer Brigade, Artillery Reserve, Army Potomac, to September, 1863. 1st Volunteer Brigade, Artillery Reserve, to April, 1864. Artillery Brigade, 2nd Army Corps, to November, 1864. Artillery Reserve, Army Potomac, to June, 1865.

SERVICE.--Duty at Harper's Ferry, Cedar Creek and Little Washington, Va., June to August, 1862. Battle of Cedar Creek August 9. Pope's Campaign in Northern Virginia August 16-September 2. Fords of the Rappahannock August 20-26. Battles of Groveton August 29, and Bull Run August 30. Chantilly September 1. Maryland Campaign September-October. Crampton's Pass, South Mountain, Md., September 14. Battle of Antietam, Md., September 16-17. Duty at Sandy Hook, Md., and at Harper's Ferry, W. Va., till December. Reconnoissance to Winchester December 2-6. Action at Dumfries December 27. Duty at Dumfries till May 27, 1863, and at Falmouth till June 13. Gettysburg (Pa.) Campaign June-July. Battle of Gettysburg July 1-3. Pursuit to Williamsport, Md., July 7-14. Frederick, Md., July 13. March to Warrenton Junction, Va., July 18-August 2, and duty there till September 16. At Culpeper till October 12. Bristoe Campaign October 12-22. Culpeper October 12-13. Bristoe October 14. Advance to line of Rappahannock November 7-8. Mine Run Campaign November 26-December 2. Mine Run November 28-30. Campaign from the Rapidan to James River May 3-June 15, 1864. Battles of the Wilderness May 5-7; Spottsylvania May 8-12; Spottsylvania C. H. May 12-21; "Bloody Angle," Spottsylvania C. H., May 12. North Anna River May 23-26. On line of the Pamunkey May 26-28. Totopotomoy May 28-31. Cold Harbor June 1-12. Before Petersburg June 16-19. Siege of Petersburg June 16, 1864, to April 2, 1865. Jerusalem Plank Road June 22-23, 1864. Deep Bottom July 27-28. Mine Explosion July 30 (Reserve). Strawberry Plains, Deep Bottom, August 14-18. Garrison, Fort Davis, till October 20. At Fort McGilvrey and Battery 9 till March 15, 1865. At Fort Sampson till April 3. Assault on and capture of Petersburg April 2-3. Ordered to Reserve Artillery at City Point April 3. Duty there till May 3. Ordered to Alexandria and duty there to June 4. Ordered to Augusta, Me., and mustered out June 7, 1865.

Battery lost during service 13 Enlisted men killed and mortally wounded and 27 Enlisted men by disease. Total 40.

7th BATTERY LIGHT ARTILLERY ("G").

Organized at Augusta and mustered in December 30, 1863. Left State for Washington, D.C., February 1, 1864. Duty at Camp Barry till April 25. Attached to 3rd Division, 9th Army Corps, Army Potomac, to August, 1864. Artillery Brigade, 9th Army Corps, to June, 1865.

SERVICE.--Campaign from the Rapidan to the James River, Va., May 3-June 15, 1864. Battles of the Wilderness May 5-7; Spottsylvania May 8-12; Spottsylvania C. H. May 12-21; North Anna May 23-26. Ox Ford May 23-24. Line of the Pamunkey May 26-28. Totopotomoy May 28-31. Cold Harbor June 1-12. Bethesda Church June 1-3. Before Petersburg June 16-18. Siege of Petersburg June 16, 1864, to April 2, 1865. Mine Explosion, Petersburg, July 30, 1864. Ream's Station August 25. Poplar Springs Church September 29-October 2. Pegram's Farm October 2. Garrison, Fort Welsh, till November 30, and Fort Sedgwick (Fort Hell) and Battery 21 till April 3, 1865. Assault on and capture of Petersburg April. 2-3. Pursuit of Lee April 4-9. At Farmville April 10-20. Moved to Washington, D.C., April 20-28, and camp near Fairfax Seminary to June 5. Grand Review May 24. Moved to Augusta, Me., June 5-8, and mustered out June 21, 1865.

Battery lost during service 13 Enlisted men killed and mortally wounded and 27 Enlisted men by disease. Total 40.

GARRISON ARTILLERY.

Companies "A," "B" and "C" organized November, 1861, for service as Garrison Artillery in State of Maine. Mustered out September, 1862, failing to complete organization.