In 1898, copper ore was discovered at Eureka Bar , near the confluence of the Snake and Imnaha Rivers in Hells Canyon . It was not a particularly spectacular find, so in 1902, miners spread the story that the seams also contained gold. Soon, about 2,000 gold fevered men were camped at Eureka Bar , and the hotel/saloon, post office, and building for a stamp mill were constructed, financed by East Coast investors. The miners built a wagon road down from Cemetery Ridge to Eureka Bar. A sawmill near Buckhorn Lookout supplied the settlement with timber for construction. In 1903, the Lewiston Southern Mining Company ran a sternwheeler, the Imnaha, up the Snake carrying a stamp mill. The steamer met with an unfortunate accident at Mountain Sheep Rapid, with all hands getting to shore safely before the boat and the stamp mill became prey to the whitewater. With no stamp mill and no discernable presence of gold, everyone left Eureka Bar .
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