§33.20. Design and construction. — Inbound Citations
30 C.F.R. § 33.20
Statutory Authority
Cited by 1 regulation in release Current.
Citations to §33.20(a)
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(d) At MSHA's discretion drilling in “on site” strata may be acceptable in lieu of strata requirements in paragraphs (a), (b), and (c) of this section. (See § 33.20(a).)