With regards to the economic activity, high quality iron ore mainly from western Biscay, processed up to the early 19th century in small traditional ironworks around the western Basque Country, was now exported to Britain for industrial processing (see section above).
S obzirom na gospodarsku aktivnost, visoka kvalitete željezne rude, uglavnom iz zapadne Biskaje, prerađivane do početka 19. stoljeća u malim tradicionalnim kuje diljem zapadne Baskiji, sada se izvozi u Velikoj Britaniji za industrijsku preradu.