Day-coal n. : The upper stratum of coal, as nearest the light or surface.

Example:


Taxonomy
India, Energy Markets, coal seam gas, blocks, gas, Energy, Reuters journalists, Thomson, Markets, Asia, Commodities, SINGAPORE, commercial production, Crude Oil, mln, coal, CBM, Products.

Defination from the web:
day (mmscmd) of coal seam gas by 2013, as three more blocks go into commercial production, a goverment official said on Wednesday.