Statistics for occurrence #1 of “Chester's Gap” in chapter 1 of Adam Badeau, Military history of Ulysses S. Grant from April 1861 to April 1865. Volume 3:
Anderson meanwhile had arrived at Culpeper, where he received a despatch from Early, calling for reinforcements.
He at once set out with his whole command, and crossing the Blue Ridge at Chester's Gap , arrived on the 15th, at Front Royal, about ten miles east of Strasburg.
The road between was held by Sheridan; but Masanutten mountain also intervened, and concealed the presence of Anderson.
† 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.