Thorn Resources, EPA report progress on Governor Basin cleanup; three-year plan includes revegetation

Aug 25, 2026

Thorn Resources’ project manager and the EPA gave the Ouray County commissioners a status update on the Governor Basin tailings cleanup, saying major reshaping and pond in-fill are underway and construction is planned across three summers with multi-year revegetation.

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Heather Birmingham, lead mining engineer for Thorn Resources, told the Ouray County Board of County Commissioners that the Governor Basin cleanup has advanced quickly since DOJ approval this year and that crews have already reshaped most of the legacy mine-waste piles.

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