File:Primary efflorescence decades later 001.png
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Original file (14,700 × 10,872 pixels, file size: 29.94 MB, MIME type: image/png)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:47, 27 September 2014 | | 14,700 × 10,872 (29.94 MB) | commons>Achim Hering | {{Information |Description ={{en|1=This is primary efflorescence, from the appearance of the salts amanating from the concrete. However, this efflorescence did not take place shortly after the concrete was placed. The concrete was placed in 1962. Th... |
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