dhamodar valley
Yes, the Ruhr coal field is one of the largest in the entire world. This coal field provides coal for all of Germany.
rhur
Germany
The Ruhr is in North Rhine-Westphalia, Germany.
near the western boundary of jharia field
Germany
jharia
"Thar" coal field in pakistan is the biggest one
potty
It has to be anthracite coal, because the geological "Pittsburgh Coal Field" which is bituminous coal is found in PA, WV, KY, OH, and Indiana.
The Mosel and the Rhur are just two. Many rivers feed into the Rhine.