Statistics for occurrence #1 of “Shenandoah” in chapter 10 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 4: The Cavalry:

...s imposing scenes of martial grandeur ever witnessed upon a battlefield. The Union victory at Opequon came at a time when its moral effect was most needed in the North, and restored the fertile Shenandoah valley to the Union armies, after a long series of humiliating reverses in that granary of the Confederacy. A month later Custer encountered three brigades of Confederate cavalry under Rosser nea...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Shenandoah 376 2 0 0 0 user votes
C. S. Steamer Shenandoah 4 0 0 0 0 user votes
S. Shenandoah 2 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.