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A gold rush brought settlers to South Dakota's Black Hills roughly 150 years ago, chasing the dream of wealth and 

Now, a new crop of miners driven by gold prices at more than $3,000 an ounce are seeking to return to the treasured landscape, promising an economic boost while raising fears of how modern gold extraction could forever change the region.

“These impacts can be long term and make it so that tourism and outdoor recreation is negatively impacted,” said Lilias Jarding, executive director of the Black Hills Clean Water Alliance. “Our enjoyment of the Black Hills as a peaceful place, a sacred place, is disturbed.”

The Black Hills encompass over 1.2 million acres (485,622 hectares), rising up from the Great Plains in southwest South Dakota and extending into Wyoming. The jagged peaks are smaller than those of the Rocky Mountains, but the lush pine-covered hills are sacred to the 

 people and serve as a destination for millions of tourists who visit Mount Rushmore and state parks.

Dramatic landscape changes come with modern mining

One gold mine now operates in the Black Hills, but companies have proposals before state and federal agencies for another one, plus exploratory drilling sites that they hope will lead to full-fledged mines. That has prompted opposition by Native American tribes and environmentalists who argue the projects are close to sacred sites, will contaminate waterways and permanently scar the landscape.

Gold extraction has changed dramatically in the decades since prospectors first began panning for gold in the Black Hills. The industry now typically relies on massive trucks and diggers that create deep, multitiered pits and use chemicals like cyanide to extract the gold.

The land can never return to its original state. The Homestake mine, once the largest and deepest gold mine in the Western Hemisphere, now sits barren in Lead, South Dakota, and is used for scientific research.

Interest in Black Hills gold mining has soared along with the price of the metal. When the Homestake mine closed in 2002, gold sold for about $300 an ounce. Now it goes for about 10 times as much.

Joseph Cavatoni, senior market strategist at the World Gold Council, attributes the 

“Gold tends to be a stable asset,” he said. “That actually performs well in inflationary times, and holds its value in recessionary times. That’s why gold as an asset in investment.”

President Donald Trump also boosted the industry by issuing an executive order in March to increase American mineral production, calling for expedited permitting and reviews.

Colin Paterson, professor emeritus of geological engineering at the South Dakota School of Mines and Technology, notes that Black Hills gold is encased in rock. To extract it, the rock is crushed and then a chemical like cyanide is used to dissolve the mineral and remove it.

Mining brings revenue, but renews Black Hills fight

Coeur Mining runs the single active mine in the Black Hills, but the company Dakota Gold has plans for an open pit mine to begin operating in 2029. The company is also targeting the area near the old Homestake site to build an underground mine where workers would descend hundreds or even thousands of feet into shafts.

Jack Henris, president and chief operating officer of Dakota Gold, estimated the open pit mine would create up to 250 jobs and result in the company paying the state up to $400 million in taxes over the life of the mine. Dakota Gold will conduct an environmental study and surveys of soil and vegetation to ensure safe operation, Henris said.

“Most of the people that work here are from this area and just love to live here,” he said. “So we’re a big part of the Hills and we love them just as much as other folks.”

To a great extent, gold mining helped create the modern Black Hills region.

The U.S. government signed a treaty in 1868 that recognized the Sioux Nation's right to the Black Hills, but the government seized the land after the discovery of gold and allowed settlers into the region. The U.S. Supreme Court later ruled the Sioux were entitled to compensation, but they have not accepted any and maintain their claim to the land.

Tribes have largely opposed mining in the Black Hills.

“There’s a central truth about mining in the Black Hills in that it was never the most mineral rich place there ever was,” said Taylor Gunhammer, local organizer with the Indigenous advocacy group NDN Collective and an Oglala Sioux, one of the Lakota people. “It’s not even the actual mineral content of the Black Hills that is so attractive to mining companies. It’s the permissive nature of the officials who oversee mining.”

Some proposed projects, such as Dakota Gold’s mine, are on private land and only subject to state rules, not the U.S. Forest Service regulations required for projects on public acreage.

Environmentalists have focused their opposition on the possibility of chemicals leaks. They note that Coeur's Wharf mine has had nearly 200 spills and that the former Homestake mine was closed because it contaminated a nearby creek.

Coeur’s environmental manager, Jasmine McCauley, said in a statement that each spill was "thoroughly investigated, mitigated, and corrective actions are put in place to prevent reoccurrence.” The company is always improving its processes, she added.

Jarding, of the Black Hills Clean Water Alliance, said she remains concerned about the number of projects in the works.

“It’s really important that people understand the exponential growth in mining activity that’s been happening in the Black Hills over the last five years or so,” Jarding said. "There are currently active mining claims on 271,000 acres in the Black Hills. That’s 20 percent of the whole Black Hills that is potentially going to be subject to mining.”

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 It has been 150 years since miners first flocked to South Dakota’s Black Hills in a gold rush that displaced Native Americans. Now that gold is selling for more than $3,000 an ounce, corporations are seeking approval to explore for and extract the mineral by digging vast pit mines that strip the land bare. 

Another gold rush could bring open pit mines to South Dakota’s Black Hills

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