Spain is the European Union's largest coal producer.
Nope, by far. In 2006, Spain produced 20 million tons of coal, whereas Poland produced 171 million tons... "Dieu se rit des hommes qui se plaignent des conséquences alors qu'ils en chérissent les causes" Jacques-Bénigne Bossuet
Mbendi is useful as a cursory introduction to mining. At best.