View all text of Subchapter III [§ 861 - § 878]
§ 864. Combustible materials and rock dusting
(a) Accumulations; maintenance
(b) Abatement of hazards in active working areas
(c) Rock dusting of all areas of underground mines; exceptions
(d) Distribution of rock dust; places, quantities
(e) Limitation of applicability
(Pub. L. 91–173, title III, § 304, Dec. 30, 1969, 83 Stat. 774.)