Statistics for occurrence #1 of “John Silverthorn” in entry united-states-of-america-montana of Harper's Encyclopedia of United States History:
........1853
Sir George Gore leaves St. Louis with forty men, explores the headwaters of Powder River, and builds a fort on Tongue River, 8 miles from its junction with the Yellowstone......1855
John Silverthorn trades tobacco, etc., with Benetsee for gold-dust......1858
Stern-wheel steamboat the Chippewa reaches Fort Brule, 12 miles below Fort Benton......July 17, 1859
Chippewa reaches Fort Benton,...
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| † | John Silverthorn | 2 | 2 | 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.