Mr. MARDYJONESasked the Secretary for Mines what proportion of coal was cut by machinery in each of the British coalfields, respectively, in 1913 and 1929?
§ Mr. W. R. SMITHThe figures are as follow:906W
Coalfield. Proportion of coal cut by machinery. 1913. 1929. Per cent Per cent. Northumberland 13.8 55.7 Durham 3.5 22.5 Lancashire and Cheshire 8.1 23.3 North Staffordshire 6.2 43.1 Yorkshire 10.3 18.0 North Derbyshire 10.4 30.2 Nottinghamshire 10.9 26.7 South Derbyshire 14.4 50.4 Leicestershire 3.7 33.3 Cannock Chase 2.2 30.3 Warwickshire 6.1 31.7 South Wales and Monmouth 1.1 8.7 Cumberland and Westmorland 1.3 10.9 North Wales 4.9 42.1 South Staffordshire and Worcestershire. 0.5 5.5 Shropshire 5.3 21.1 Bristol — 3.0 Forest of Dean 0.1 1.4 Somerset 1.7 7.5 Kent — 0.9 Scotland 21.7 63.3 Great Britain 8.5 27.9