Hard Rock Mining | Proposed Bond Determination for Pipestone Quarry LLC – Pipestone Quarry – PERMIT NO. 00148 | Comment Period Closes September 4, 2025
DEQ is seeking public comment on a proposed comprehensive bond determination increase of $255,515 (from $1,043,450 to $1,298,965) at the Pipestone Quarry in Jefferson County.
Start Date: August 5, 2025
End Date: September 4, 2025
Location: Jefferson County
Pipestone Quarry 45.91634, -112.24597
Associated Materials:
Comment Period Closes: September 4, 2025
Submit Comments To: DEQHardRock@mt.gov
Millie Olsen
Hard Rock Mining Section Supervisor
Mining Bureau
Department of Environmental Quality
P.O. Box 200901
Helena MT 59601
Tags: Public Comment and Hard Rock