U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 28, 2025

All TitlesTitle 30Chapter IPart 57Subpart S - Subpart S—Miscellaneous
View all text of Subpart S [§ 57.20001 - § 57.20032]
§ 57.20020 - Unattended mine openings.

Access to unattended mine openings shall be restricted by gates or doors, or the openings shall be fenced and posted.

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