TMC Inc. has proposed a 130-acre open-cut mine between 191 and the Gallatin River. This mine will impact the Gallatin Gateway community significantly. The proposed mine sits alongside a residential neighborhood, is in the direct path of an elk migration corridor and is less than 1.5 miles from Mill Street, where the community center and local school reside. The potential 130-acre open-cut mine will now be fifty nine feet deep, which TMC has requested in their permit to operate 24/7 with a rock crusher and industrial lights.
MAJOR CONCERNS:
• Air pollution
• Traffic safety concerns
• Water contamination concerns of the aquifer and the Gallatin River
• Property value
• Operation noise from rock crusher
• Heavy vehicle traffic on 191
• Visual impact for residents and visitors alike
Update 01 March 2024: The DEQ has granted the permit for the TMC-Black mine. Appeals for both the permit and MEPA process can be filed. GCA is working diligently with their legal team to determine appeals and next steps
UPDATE 17 January 2024: TMC has submitted their latest revised Opencut Mining Permit Application which is meant to correct the deficiencies identified back in December. You can view the application here and read the memo from DEQ here. DEQ is receiving comments on this latest application until January 28th.
Check out all the Updates here
The location of the proposed open pit mine is between highway 191 and the Gallatin River.
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Gateway Conservation Alliance
PO Box 165
Gallatin Gateway, MT 59730