Statistics for occurrence #1 of “Yorktown, Va.” in chapter 30, regiment NY1LtArtillery of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

...October 31, 1861, and duty at Camp Barry till March, 1862. Attached to 3rd Division, 4th Army Corps, Army of the Potomac, to June, 1862. Moved to the Peninsula, Va., March, 1862. Siege of Yorktown, Va. , April 5-May 4. Battle of Williamsburg May 5. Bottom's and Turkey Island Bridge May 23. Chickahominy May 24. Bottom's Bridge May 30. Battle of Seven Pines or Fair Oaks May 31-June...
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