Relier Pairs Trial 5Version en ligne Trial 5 par Martin Smith 1 But that shift can come with consequences. 2 Joseph Bado: if you are lucky, tomorrow you may find a rock like that, worth about 3000 US dollars: 3 But to do that from cocoa farming would take four years. 4 It’s not the first time that artisanal mining has helped develop agricultural and small-scale economies. In the 19th century, mining helped establish railroad and banking systems, and you can pay for a motorbike, nice clothes and a good life. that transformed the economies of countries like America, Australia and South Africa. They are not comparable.