underground coal mine operators / electronic tracking systems / Internet Availability This PIB / underground coal mining community / mine operators / date on which such systems / /
Organization
National Mine Academy / Contact Persons MSHA / Approval and Certification Center / /
Person
Stephen Gigliotti / JEFFERY H. KRAVITZ / Emergency Response Act / David Chirdon / / /
Position
MINER / Acting Director of Technical Support SUBJECT / Administrator / Director of Technical Support SUBJECT / /