SimilarityRank
Gold_Rush 0.710 96447
gold_mine 0.562 62037
gold_mining 0.543 91901
in_the_1860 0.542 78887
boom_in 0.537 39491
in_the_1850 0.533 77049
in_the_1870 0.516 68899
in_the_late_1800 0.514 73510
the_Wild_West 0.514 88516
boom 0.505 8276
in_the_1880 0.504 60683
in_the_1890 0.495 62623
be_booming 0.487 55052
in_the_1800 0.484 59829
miner 0.478 10740
booming 0.470 38056
mining 0.470 4445
craze 0.470 35094
in_the_1840 0.467 91506
in_the_1830 0.456 88448
early_settler 0.456 71312
frontier 0.456 11964
cowboy 0.451 19778
after_the_Civil_War 0.448 82179
in_the_early_1900 0.447 43562