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| BUILDING PIER OF CONCRETE WITH STEEL REËNFORCEMENT | |
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| BUILDING CONCRETE ARCHES. SHOWING FRAMEWORK | |
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| SECTION OF FLORIDA KEYS RAILROAD. BUILT ACROSS OPEN SEA |
Page:LA2-NSRW-2-0215.jpg
| |
| BUILDING PIER OF CONCRETE WITH STEEL REËNFORCEMENT | |
| |
| BUILDING CONCRETE ARCHES. SHOWING FRAMEWORK | |
| |
| SECTION OF FLORIDA KEYS RAILROAD. BUILT ACROSS OPEN SEA |
