Statistics for occurrence #1 of “Cumberland county” in alphabetic letter pos=21, entry group 2, entry united-states-of-america-maine of Harper's Encyclopedia of United States History:

... Cumberland county
The extreme eastern point of the United States is West Quoddy Head, which is also the eastern extremity of the State of Maine....
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Cumberland County (Virginia, United States) 228 2 14 2 0 user votes
Cumberland County (Pennsylvania, United States) 20 13 8 5 0 user votes
Cumberland county (North Carolina, United States) 18 0 4 0 0 user votes
Cumberland county (Kentucky, United States) 11 0 5 0 0 user votes
Cumberland county (Tennessee, United States) 10 0 0 0 0 user votes
Cumberland County (Maine, United States) 3 3 1 1 0 user votes
Cumberland County (Illinois, United States) 0 0 0 0 0 user votes
Cumberland County (New Jersey, 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.