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1. Salmi
1920. Suuri-Joki hydroelectric power plant
136.86 Kb, 599×376
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2. Salmi
1923. Suuri-Joki hydroelectric power plant
103.81 Kb, 500×382
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3. Salmi
Late 1920's. Pieni-Joki hydroelectric power plant
485.25 Kb, 1064×677
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4. Salmi
Late 1920's. Suuri-Joki hydroelectric power plant
546.71 Kb, 1063×672
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