Coal age operating handbook of underground mining Coal age library of operating handbooks

Manylion Llyfryddiaeth
Awduron Eraill:	Chironis, Nicholas P.
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	New York Coal Age Mining Informational Services c1977.
Pynciau:	Coal mines and mining > Handbooks, manuals, etc.