Statistics for occurrence #1 of “Chesapeake bay” in chapter 13 of Maj. Jed. Hotchkiss, Confederate Military History, a library of Confederate States Military History: Volume 3, Virginia:

...tory at Manassas, while its right rested at Fredericksburg, in command of General Holmes, and Jackson held its left in the lower Shenandoah valley. Practically its pickets patroled the Potomac from Chesapeake bay up to within the mountains. Not satisfied with a condition of military affairs that still held north of the Potomac the great army—on its rolls, March 1, 1862, 222,000 men—that McClella...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Chesapeake Bay (United States) 506 10 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.