Here's a few more which may be more useful:
and the following was found at: http://www.civilwararchive.com/Unreghst/unnyart2.htm#batl
Battery "L", 1st Regiment Light Artillery "Rochester Union Grays"
Organized at Rochester, N.Y., September, 1861. Moved to Elmira, N.Y., and mustered in November 17, 1861. Left State for Washington, D.C., November 21, 1861. Attached to Defenses of Washington, D.C., to February. 1862. Baltimore, Md., Dix's Command, to May, 1862. 1st Brigade, Sigel's Division, Dept. of the Shenandoah, to June, 1862. 1st Division, 3rd Army Corps, Army of Virginia, to September, 1862. 1st Division, 1st Army Corps, Army of the Potomac, to May, 1863. Artillery Brigade, 1st Army Corps, to March, 1864. Artillery Brigade, 5th Army Corps, to March, 1865. Artillery Reserve, Army of the Potomac, attached to 9th Army Corps. to April, 1865. Artillery Brigade, 5th Army Corps, to June, 1865.
SERVICE.--Duty at Camp Barry, Defenses of Washington, until February, 1862, and at Baltimore, Md., until May, 1862. Moved to Winchester, Va. Skirmish at Charlestown May 28. Defense of Harper's Ferry, W. Va., May 28-30. Battle of Cedar Mountain, Va., August 9. Pope's Campaign in Northern Virginia August 16-September 2. Fords of the Rappahannock August 21-23. Sulphur Springs August 26. Battles of Gainesville August 28, Groveton August 29. Bull Run August 30, Chantilly September 1. Maryland Campaign September 6-22. Battles of South Mountain September 14, Antietam September 16-17. Movement to Falmouth, Va., October 29-November 19. Battle of Fredericksburg, Va., December 12-15. "Mud March" January 20-24, 1863. Duty at Falmouth and Belle Plains until April. Chancellorsville Campaign April 27-May 6. Operations at Pollock's Mill Creek April 29-May 2. Fitzhugh's Crossing April 29-30. Battle of Chancellorsville May 1-5. Gettysburg (Pa.) Campaign June 11-July 24. Battle of Gettysburg, Pa., July 1-3. On line of the Rappahannock and Rapidan until October. Bristoe Campaign October 9-22. Advance to line of the Rappahannock November 7-8. Mine Run Campaign November 26-December 2. Demonstration on the Rapidan February 6-7, 1864. Campaign from the Rapidan to the James May 3-June 15. Battles of the Wilderness May 5-7; Laurel Hill May 8; Spottsylvania May 8-12; Spottsylvania Court House May 12-21. Assault on the Salient May 12. North Anna River May 23-26. Jericho Ford May 23. On 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. Weldon Railroad August 18-21, 1864. Dabney's Mills, Hatcher's Run, February 5-7, 1865. Appomattox Campaign March 28-April 9. Assault on and fall of Petersburg April 2. Pursuit of Lee April 3-9. Moved to Washington, D. C. Grand Review May 23. Mustered out June 17, 1865.
Battery lost during service 11 Enlisted men killed and mortally wounded and 12 Enlisted men by disease. Total 23.
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