Statistics for occurrence #1 of “Yukon River” in entry klondike of Harper's Encyclopedia of United States History:

...8, the United States Coast and Geodetic Survey issued a new map of the Yukon River region. The map includes the territory between long. 38° and 166° W., and lat. 60° to 67° N. The Yukon River is traced considerably beyond the Klondike region, and the portion within Alaska is very fully treated. The country between Forty-Mile Post and Stewart River is also given with minute exactness. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Yukon River (Alaska, United States) 12 12 0 0 0 user votes
Yukon River 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.