- FondoPHO - Photographic Collection
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- Unità documentaria00002170 - Marsa Water Power Station - Rock face, North side
- Unità documentaria00002171 - Marsa Water Power Station - Fissure in rock wall
- Unità documentaria00002172 - Marsa Water Power Station - Rock fissure filled with clay
- Unità documentaria00002173 - Marsa Water Power Station - Cleaning out fissures in rock
- Unità documentaria00002174 - Marsa Water Power Station - Cleaning out fissures in rock
- Unità documentaria00002175 - Marsa Water Power Station - Cleaning out fissures in rock
- Unità documentaria00002176 - Marsa Water Power Station - Grouting fissure with sand and cement
- Unità documentaria00002177 - Marsa Water Power Station - Grouting plant
- Unità documentaria00002178 - Marsa Water Power Station - Grouting plant
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