Brown coal mining limits in North Bohemia Brown coal mining limits in North Bohemia Territorial limits to the mining of brown coal in North Bohemia are legally binding according to Resolution No. 444 passed in 1991 by the government of the Czech Republic, on the basis of a proposal tabled by the then Minister for the Environment, Ivan Dejmal. The limits define the areas that can be mined, as well as areas where coal reserves have been written off. There is now the prospect, however, that the limits will be breached and sanction given to increase coal mining further, which would involve the demolition of more communities
Cannel coal the Drake Oil Well in 1859, made petroleum a cheaper raw material for making kerosene and drove the American oil shale industry out of business. Cannel coal is brown to black oil shale. It comes from resins, spores, waxes, and cutinaceous and corky materials of terrestrial vascular plants, in part from Lycopsid (scale tree). Cannel coal was accumulated in ponds and shallow lakes in peat-forming swamps and bogs of the Carboniferous age under oxygen-deficient conditions. Thus cannel coal seams are shallow and often found above other deposits, while the coal itself, being rich in oils, burns long, with a bright