Statistics for occurrence #1 of “Cumberland” in chapter 5.12 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

...st from Point of Rocks to Martinsburg, a distance of 25 or 30 miles. We had not interfered with the running of trains, except on the occasion of the arrest of General Harney. The coal traffic from Cumberland was immense, as the Washington government was accumulating supplies of coal on the seaboard. These coal trains passed Harper's Ferry at all hours of the day and night, and thus furnished Jackson wi...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Cumberland (Maryland, United States) 922 10 172 0 0 user votes
Cumberland (United Kingdom) 44 0 4 0 0 user votes
Cumberland (North Carolina, United States) 2 0 2 0 0 user votes
Cumberland (Indiana, United States) 1 0 1 0 0 user votes
Cumberland (Arkansas, United States) 0 0 0 0 0 user votes
Cumberland (Canada) 0 0 0 0 0 user votes
Cumberland (Iowa, United States) 0 0 0 0 0 user votes
Cumberland (Mississippi, United States) 0 0 0 0 0 user votes
Cumberland (New Jersey, United States) 0 0 0 0 0 user votes
Cumberland (North Carolina, United States) 0 0 0 0 0 user votes
Cumberland (Oklahoma, United States) 0 0 0 0 0 user votes
Cumberland (South Carolina, United States) 0 0 0 0 0 user votes
Cumberland (Washington, United States) 0 0 0 0 0 user votes
Cumberland (Wisconsin, 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.