| Portal | Tuesday, August 19, 2025 21:28 hr PDT [UTC - 7] |
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| To refresh picture | Failure of Indian Trail Road crossing, on the Mojave river, near Helendale, California, March 2005 (Linda Hoover) |
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| Valladares, in the Sierra San Pedro Martir, Baja California, Mexico | Portal Civil and Environmental Engineering SDSU |