175.13–14 “Humboldt” was beginning to shriek for attention] This mining region was situated about a hundred seventy-five miles northeast of Carson City in the West Humboldt Mountains (see supplement B, map 2). Silver and gold were discovered in the area in 1860, and over the next year, Unionville, Humboldt City, and Star City—each in a separate mining district—emerged as the principal centers of mining activity.