This pin is about Oblast Sverdlovsk.
A Oblast is a region within Russia with some form of selfcontrol. There are 46 Oblasts in Russia Sverdlovsk being one of them.
Rich in natural resources, the oblast is especially famous for metals (iron, copper, gold, platinum), minerals (asbestos, gemstones, talcum), marble and coal. It is mostly here that the bulk of Russian industry was concentrated in the 18th and 19th centuries.