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Boise National Forest is a federally protected area of the U.S. state of Idaho in the national forest system. Created in 1908 from part of Sawtooth National Forest, it is managed by the U.S. Forest Service. The Idaho Batholith underlies most of Boise National Forest, forming its Boise, Salmon River, and West mountain ranges; the forest reaches a maximum elevation of 9,730 feet (2,970 m) on Steel Mountain. Common land cover includes sagebrush steppe and spruce-fir forests. It contains 75 percent of the known populations of Sacajawea's bitterroot, a flowering plant endemic to Idaho. The Shoshone people occupied the forest before European settlers, and archeological sites have been found along rivers in the area. Trappers and fur traders of European descent arrived in the area in the early 1800s, starting with John Jacob Astor's Pacific Fur Company in 1811. The first settlers moved into the mountains in the 1860s after gold was discovered. The gold rush forced many of the Shoshone out and led to conflicts including the Bannock War in southern Idaho. Tungsten, silver, antimony, and gold were mined in the forest until the mid-twentieth century. (Full article...)
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