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Stop Stillwater Mine's 40-year expansion on Custer Gallatin Forest
U.S. Forest Service · Custer Gallatin National Forest, MT
- What
- A platinum mine wants to dig deeper and build bigger on national forest land for four more decades.
- Where
- Custer Gallatin National Forest, MT, SD
- How much
- Wildlife habitat and public land on the Custer Gallatin National Forest face decades of expanded surface industrial infrastructure.
- Decided
- Comments closed; deadline not stated by the agency. No decision document is on file yet.
Where these four lines come from
- WhatOur plain-English read of the Forest Service project page ↗. Check it against the agency’s own words under Case.
- WhereThe places and states the project page names, as PLAN read them.
- How muchThe first sentence of our What’s at risk read of the notice; the whole read is under Case.
- DecidedWe haven’t found where this fight’s close date came from, so the card shows no date. The decision document is the one on file in PLAN’s record.
- Read from PLAN’s record November 9, 2026.
What the proposal said, and what the decision did
No figure from the proposal has been checked against the decision on this fight yet. What the record does hold is the issues ledger below.
No decision document is on PLAN’s record for this fight yet. When the agency’s decision lands, what it answered goes here.
PLAN's read: critical threat
A platinum mine wants to dig deeper and build bigger on national forest land for four more decades.
What’s at risk
If this goes through
Our plain-English read of the official notice ↗. Check it against the agency’s own words below.
In the agency’s own words
The Stillwater Mine proposes to continue production of platinum group metals for an additional 36-42 years by expanding existing surface infrastructure. Please copy and paste this link in your browser to view project related documents: https://usfs-public.box.com/s/903zqyxu4qekivxq60544ts25n032qvt
The groups on this fight
4 groups predicted likely to care in Montana and South Dakota
Predicted likely to care is a guess from the group's sourced work in Montana and South Dakota, with no link to this decision. Give straight to them; nothing routes through us.
- American Prairie
Predicted likely to care · a guess
American Prairie, Montana: Defending its own bison herd, formally protesting BLM's revocation of grazing permits on 63,000 public-land acres.
- Badlands Natural History Association
Predicted likely to care · a guess
Works South Dakota: They work only in South Dakota.
- Earthjustice
Predicted likely to care · a guess
Cabinet Mountains Wilderness, Montana: Counsel in the long-running litigation against the Rock Creek and Montanore mines proposed beneath the wilderness.
- Wind Cave National Park Friends Group
Predicted likely to care · a guess
Works South Dakota: They work only in South Dakota.
Every group above is on STAND for Public Lands, with its court record, its filings and who backs it.
Who signs it
The notice names no signer PLAN could read. PLAN names a decision-maker only when the document names one.
The ground
The window has closed, so there’s no watch to set on it here.
The photograph on this page: Custer Gallatin National Forest, Montana. More Than Just Parks.
In court on this ground
No court case we track is over Custer National Forest and Gallatin National Forest.
Who holds the vote
PLAN’s record doesn’t tie a member of Congress to this fight yet. The scorecard grades the votes and bills that decide public lands; nothing joins a vote or a bill to this decision, so there’s no member to name here without guessing.
See how your members vote ↗Forest ServiceWe track this on the agency’s own system of record, where most on-the-ground decisions live.
Know an open comment period we are missing, or spotted a wrong deadline? .
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Open ↗The mapSee the places under active threat
A live map of the parks, monuments, and wild country in the crosshairs right now.
Open ↗A wrong fact, a dead link, a form that wouldn’t take your letter: one tap and it comes to the people who build PLAN, with this fight attached.