Midnight rider.MIDNIGHT RIDER
But this sacred place of beauty, healing and prayer is threatened with destruction by a massive copper mine. In late December 2014, in a midnight rider on a must-pass defense funding bill, Sen. John McCain (R-Ariz.) led the charge to push through a land swap that would trade Oak Flat away to international mining behemoth Rio Tinto for its proposed Resolution Copper Mine, despite the fact that the area was withdrawn from mining 60 years ago by executive order of President Dwight D. Eisenhower. For more than a dozen years, Rio Tinto has tried to move the land swap through Congress to get around the ban on mining; it failed every time, until Sen. McCain pushed through his back-door rider. McCain has been one of the largest recipients of Rio Tinto campaign contributions in all of Congress.
https://www.biologicaldiversity.org/campaigns/oak_flat/index.html