Statistics for occurrence #1 of “Idaho” in entry idaho of Harper's Encyclopedia of United States History:

...area of 84,800 square miles. Between the dates of its creation as a Territory and a State it became widely noted as a most promising field for gold and silver mining, and for several years later, Idaho was classed politically as a silver State. Prospecting, however, developed a large number of rich paying gold properties, and during the copper excitement of 1898-1901 many veins of that mineral we...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Idaho (Idaho, United States) 294 156 0 0 0 user votes
Idaho (Tennessee, United States) 4 0 0 0 0 user votes
Idaho (New York, United States) 2 0 0 0 0 user votes
Idaho (Pennsylvania, United States) 2 0 0 0 0 user votes
Idaho (Alabama, United States) 0 0 0 0 0 user votes
Idaho (Idaho, United States) 0 0 0 0 0 user votes
Idaho (Ohio, 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.