30 CFR Subpart B - Ground Control

  1. § 57.3000 Definitions.
  2. Scaling and Support - Underground Only (§ 57.3360)
    1. § 57.3360 Ground support use.
  3. Precautions - Surface and Underground (§§ 57.3400 - 57.3401)
    1. § 57.3400 Secondary breakage.
    2. § 57.3401 Examination of ground conditions.
  4. Precautions - Underground Only (§§ 57.3460 - 57.3461)
    1. § 57.3460 Maintenance between machinery or equipment and ribs.
    2. § 57.3461 Rock bursts.
Authority:
Source:
51 FR 36198, Oct. 8, 1986, unless otherwise noted.