['Specialized Industries']

['Mining']

04/17/2026

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REGSENSE
Topic Search
Specialized Industries - Mining

§57.20021 Abandoned mine openings.

RegSense CFR Regulations Mining Specialized Industries CFR Section English Focus Area USA

Upon abandonment of a mine, the owner or operator shall effectively close or fence off all surface openings down which persons could fall or through which persons could enter. Upon or near all such safeguards, trespass warnings and appropriate danger notices shall be posted.

['Specialized Industries']

['Mining']

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