TY  - BOOK
ED  - Great Britain. Parliament. House of Commons
TI  - Mines and quarries : general report, with statistics, for 1919, by the Chief Inspector of Mines: Part III.--Output 
AV  - DL5 .O3
U1  - 338.272 
PY  - 1920///
CY  - London
PB  - Her Majesty's Stationery Office
KW  - Statistics; accidents, labour, output, & c / Agriculture / Industry
ER  -