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Milestone Materials approved to take over Thunderhill Aggregate operations; reclamation plan updated

Douglas County Planning & Zoning Committee · March 11, 2026

Summary

The committee approved Milestone Materials' conditional-use permit revision to transfer operator status for Non-Metallic Mine #14022 and approved the associated reclamation-plan update (RP-14022) with conditions listed in the application; Town of Superior raised no objections.

Milestone Materials requested a conditional-use permit revision to transfer operator status from Thunderhill Aggregate LLC for Non-Metallic Mine #14022 and submitted a reclamation-plan update (Reclamation Plan #RP-14022). The Town of Superior registered no objections. The committee approved both the conditional-use permit revision and the reclamation-plan update with the conditions listed in the application on motions by Scott Luostari and Bill Fennessey.

The approvals carry the standard conditions noted in the application record; the committee’s action allows Milestone Materials to proceed as the operator under the county’s conditional-use and reclamation requirements. Any permitting or bonding conditions required under the reclamation plan remain in place per the application.

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