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Barnaul was one of the earlier cities established in Siberia. Originally chosen for its proximity to the mineral-rich Altai Mountains and its location on a major river, the site was founded by the wealthy Demidov family in the 1730s. In addition to the copper which had originally attracted the Demidovs, substantial deposits of silver were soon found as well. In 1747, the Demidovs' factories were taken over by the Crown, and soon became the major silver center of Russia.
By the 18th and early 19th centuries, 90% of Russian silver was produced in the Altai region. Barnaul was the site of the country's largest silver-smelting factory, and as production expanded, so did the population. In 1771, the once-small settlement acquired the status of a mining town that was one of the largest in Siberia.
By the 1900s, Barnaul had grown into a major center for trade and culture of the region, especially after the construction of the Turkestan-Siberia Railway.