Cortez Elementary second graders tour Prado Dam
More than 80 second grade students from Cortez Elementary, a math and science magnet school in Pomona, Calif., took a field trip to Prado Dam May 16. The tour included a nearly two-mile trek through the flood control basin up to the dam's 627-foot control tower.

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Photo by: David A. Salazar |  VIRIN: 130516-A-TZ559-147.JPG