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| Bridges--Puerto Rico (2) |
| Polytechnic University of Puerto Rico--Graduate students--Posters (2) |
| Polytechnic University of Puerto Rico--Graduate students--Research (2) |
| Bridges--Evaluation (1) |
| Bridges--Flood damage (1) |
| Bridges--Maintenance and repair (1) |
| Puente Blanco (Quebradillas, P.R.) (1) |
| Scour at bridges (1) |