While the Sioux nation has been in the spotlight for their pipeline protests, they are also developing what would be an enormous collection of wind farms on six reservations.
A pipeline project is quietly being installed as fast as possible, critics say, displacing residents, threatening water supplies and racking up alleged construction violations.
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Peter Sleeth is a veteran investigative reporter who covered the Iraq war for The Oregonian and helped the paper win a Pulitzer Prize in 2007 for breaking news. Now freelancing, his most recent piece for the Oregon Historical Quarterly is a profile of progressive-era activist Tom Burns.