Statistics for occurrence #1 of “Oregon” in part 2.2, chapter 2.3 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

...ly any regular troops, that was out of the question, since they had already all been distributed by the Southern sympathizers to the distant frontiers of the Indian country,--Texas, Utah, New Mexico, Oregon , and Washington Territory. Months would have been necessary to concentrate at Washington, in that season, a force of three thousand regular troops. Even had President Buchanan been desirous ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Oregon (Oregon, United States) 1,586 4 0 0 0 user votes
Oregon (Illinois, United States) 9 0 1 0 0 user votes
Oregon (Arkansas, United States) 0 0 0 0 0 user votes
Oregon (Kentucky, United States) 0 0 0 0 0 user votes
Oregon (Maryland, United States) 0 0 0 0 0 user votes
Oregon (Mississippi, United States) 0 0 0 0 0 user votes
Oregon (Missouri, United States) 0 0 0 0 0 user votes
Oregon (New York, United States) 0 0 0 0 0 user votes
Oregon (New York, United States) 0 0 0 0 0 user votes
Oregon (Ohio, United States) 0 0 0 0 0 user votes
Oregon (Pennsylvania, United States) 0 0 0 0 0 user votes
Oregon (Tennessee, United States) 0 0 0 0 0 user votes
Oregon (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.