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Energy & environment · 19/01/1994Updated: 10/15/2026 · 1 min read

OSM Approves Proposed Amendment to Colorado Permanent Regulatory Program

Summary

OSM has announced its decision to approve a proposed amendment to the Colorado permanent regulatory program, revising rules concerning backfilling and grading for highwalls and AOC requirements.

Original source language: Federal Register — Interior DepartmentOpen original release →

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