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ProkudinGorskii. TransSiberian near the town of Ust' Katav on the Yuryuzan River between Ufa and Cheliabinsk in the Ural Mountain region of European Russia Sergei Mikhailovich ProkudinGorskii Collection Library of Congress Creator Sergey ProkudinGorsky digital rendering for the Library of Congress by Walter Frankhauser WalterStudio