Pablo Vázquez-Ruiz, Portugues Dam resident engineer, gives a presentation at the Sixth International Symposium on Roller Compacted Concrete Dams in Zaragoza, Spain. Along with Project Manager Alberto Gonzalez and Geologist John Conway, Vázquez-Ruiz discussed successes and challenges in the design and construction of the dam, located near Ponce, Puerto Rico. Photo courtesy Pablo Vázquez-Ruiz.

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Photo by: Pablo Vázquez-Ruiz |  VIRIN: 121210-A-CE999-024.JPG