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  2. Idaho State Highway 21 - Wikipedia

    en.wikipedia.org/wiki/Idaho_State_Highway_21

    State Highway 21 (SH-21), also known as the Ponderosa Pine Scenic Byway, [2] is a state highway in Idaho.It runs from Boise to Stanley, primarily as a two-lane road.With two-thirds of its length in Boise County, it passes by historic Idaho City and the village of Lowman to the western edge of the Sawtooth Mountains, then along their northern boundary to Stanley.

  3. Gold panning - Wikipedia

    en.wikipedia.org/wiki/Gold_panning

    "Panning out" ~ Stereoscopic view of print taken by the U.S. Geological and Geographic Survey of the Territories ~ circa 1874–1879 Gold panning is a simple process. Once a suitable placer deposit is located, some alluvial deposits are scooped into a pan, where they are then wetted and loosed from attached soils by soaking, fingering, and aggressive agitation in water.

  4. Wisconsin Highway 21 - Wikipedia

    en.wikipedia.org/wiki/Wisconsin_Highway_21

    State Trunk Highway 21 (often called Highway 21, STH-21 or WIS 21) is a state highway in the U.S. state of Wisconsin. It runs east–west across the center of the state between Sparta and Oshkosh. The highway often serves as a direct route for travelers between Appleton and Oshkosh to Tomah and La Crosse. It is a two-lane surface road for ...

  5. Land of the Yankee Fork State Park - Wikipedia

    en.wikipedia.org/wiki/Land_of_the_Yankee_Fork...

    Land of the Yankee Fork State Park is a history-oriented public recreation area covering 521 acres (211 ha) in Custer County, Idaho, United States. The state park interprets Idaho's frontier mining history, including the ghost towns Bayhorse, Bonanza, and Custer. The interpretive center near Challis has a museum and gold panning station.

  6. Gold mining in the United States - Wikipedia

    en.wikipedia.org/wiki/Gold_mining_in_the_United...

    The Coeur d’Alene district in Shoshone County has made 44,000 troy ounces (1,400 kg) of gold as byproduct to silver mining. [27] In 2006, active gold mines in Idaho included the Silver Strand mine and the Bond mine. [28]

  7. Stibnite Mining District - Wikipedia

    en.wikipedia.org/wiki/Stibnite_Mining_District

    A specimen of stibnite. The Stibnite Mining District sits atop the Idaho Batholith, one of the signature features of Idaho’s unique geology.The Idaho Batholith is nearly 14,000 square miles (36,000 km 2) of granite, formed from the collision of the oceanic plate and the North American Plate around 100 million years ago during the Cretaceous period. [10]

  8. Gold Point Mill - Wikipedia

    en.wikipedia.org/wiki/Gold_Point_Mill

    Gold Point Mill, located is on United States Forest Service Road 222 near Elk City in Idaho County, Idaho. It was listed on the National Register of Historic Places in 2000. [1] The building, on a hillside, is a shed-roofed rectangular building constructed in 1936 which housed machinery for amalgamation and concentration of gold ore.

  9. List of Superfund sites in Idaho - Wikipedia

    en.wikipedia.org/wiki/List_of_Superfund_sites_in...

    Bunker Hill Mining & Metallurgical: Shoshone: The Coeur d'Alene River basin contains millions of tons of mine tailings, waste rock and ore concentrates. Soil, sediments, groundwater and surface water are contaminated with heavy metals including cadmium, lead and zinc from former mining and smelting operations. [12] [13] 12/30/1982: 09/08/1983