Diamond drilling of the Kuznechikhinsky exploration of the Karabash copper smelter in the Urals (1929)

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Diamond drilling of the Kuznechikhinsky exploration of the Karabash copper smelter in the Urals (1929): [photo]. - 1929. - 1 photo. - (Scientific expeditions of 1920-1940-ies Expeditions to the Urals and the Volga region) .
Russian State Archive of Film and Photo Documents. http://www.rgakfd.ru/
1. Karabash copper smelting plant - 1929 - Photographs. 2. Territory of Russia (collection). 3. Drilling diamond - Ural - 1929 - Photographs. 4. Photos documentary - 1920 - 1940s ..
BBK 85.163 (2)
BBK 26.89 (284) i61
Source of electronic copy: RGAKFD
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