Western Australian Coal Mines Advisory Board Regulations 1953Law:S4868:atom:currency2026-05-05T00:00:00.0000000+08:00Western Australian Coal Mines Advisory Board Regulations 1953S4868:2007062416052007-06-24T16:05:00.0000000+08:00Western Australian Coal Mines Advisory Board Regulations 1953Western Australian Coal Mines Advisory Board Regulations 1953PCO Helpdesklegislation@pco.wa.gov.au