WashingtonDisclosures show 14 mining firms spent $11.5 million lobbying.
US Geological Survey said metal output value rose largely on prices, and employment barely changed.
Twin Metals hired ex-interior secretary David Bernhardt’s firm, and the Senate later voted 50-49 to overturn its mining ban.
Twin still needs other approvals, and Minnesota’s governor has moved to impose fresh restrictions.
Resolution, BHP and Rio Tinto’s Arizona copper mine, remains in litigation despite Trump’s backing.
How each outlet framed it
- Financial Times News
- shows Twin Metals' lobbying win: Bernhardt's firm pressed the case and the Senate voted 50-49 to overturn the Minnesota mining ban
Sources: Financial Times News