TY  - BOOK
AU  - Brown,John Frew Kellock
TI  - The mining of thin-coal seams: as applied to the eastern coal-fields of Canada,
AV  - TN866.C2 B7
PY  - 1917///
CY  - Ottawa
PB  - Government printing bureau
KW  - Coal mines and mining
KW  - Canada
ER  -