...getting " the coal None of the mines are of great depth, and a perfect freedom from fire and choke damp renders it possible to carry on the work without its...best coal. Compared with ordinary English coal, the Ranigunj coals, and Indian coals generally, are very much inferior in working power, still they are...

...the coal. None of the mines are of great depth, and a perfect freedom from fire and choke-damp render it possible to carry on the work without its being...considerable thickness, one which is worked contains nearly forty feet of coal. As a rule, however, the thick seams, especially those in the lower measures, do...

...Calcutta, tends to give it pre-eminence over other less favourably situated localities. In the year 1 774, coal was known to occur there, and so long ago as...best coal. Compared with ordinary English coal, the Ram'ganj coals, and Indian coals generally, are very much inferior in working power ; still they are...

...the coal. None of the mines are of great depth, and a perfect freedom from fire and choke damp render it possible to carry on the work without its being...best coal. Compared with ordinary English coal, the Ranigunj coals, and Indian coals generally, are very much inferior in working power. Still they are...

...the coal. None of the mines are of great depth, and a perfect freedom from fire and choke damp render it possible to carry on the work without its being...especially those in the lower measures, do not contain the-best coal. Compared with ordinary English coal, the Ranigunj coals, and Indian coals generally,...

...the extraction of coal, while many minor firms and native associations swell the total amount raised. Many of the seams are of considerable thickness —...one which is worked contains nearly 40 feet of coal. Compared with ordinary English coal, the Rauigunj coals and Indian coals generally are very inferior...

...the coal. None of the mines are of great depth, and a perfect freedom from fire and choke damp render it possible to carry on the work without its being...considerable thickness, one which is worked contains nearly forty feet of coal. As a rule, however, the thick seams, especially those in the lower measures, do...

...the coal. None of the mines are of great depth, and a perfect freedom from fire and choke damp render it possible to carry on the work without its being...considerable thickness, one which is worked contains nearly forty feet of coal. As a rule, however, the thick seams, especially those in the lower measures, do...