Statistics for occurrence #1 of “White Oak Swamp” in chapter 7 of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

...mac, on the Peninsula, Va., June, 1862. Seven days before Richmond June 25-July 1. Savage Station June 27. Battle of Gaines Mill June 27. Peach Orchard and Savage Station June 29. White Oak Swamp and Glendale June 30. Malvern Hill July 1. At Harrison's Landing to August 16. Movement to Fortress Monroe, thence to Centreville, August 16-30. Cover Pope's retreat from Bull Run Aug...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
White Oak Swamp (Virginia, United States) 1,165 238 69 0 0 user votes
White Oak Swamp (Florida, United States) 0 0 0 0 0 user votes
White Oak Swamp (Florida, United States) 0 0 0 0 0 user votes
White Oak Swamp (Florida, United States) 0 0 0 0 0 user votes
White Oak Swamp (Georgia, United States) 0 0 0 0 0 user votes
White Oak Swamp (Georgia, United States) 0 0 0 0 0 user votes
White Oak Swamp (Maryland, United States) 0 0 0 0 0 user votes
White Oak Swamp (North Carolina, United States) 0 0 0 0 0 user votes
White Oak Swamp (North Carolina, United States) 0 0 0 0 0 user votes
White Oak Swamp (North Carolina, United States) 0 0 0 0 0 user votes
White Oak Swamp (North Carolina, United States) 0 0 0 0 0 user votes
White Oak Swamp (South Carolina, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.