Michael Siu, the senior civil engineer at Prado Dam in Corona, Calif., welcomes math, science and technology students from Roosevelt High School, to the dam June 4 to learn its purpose and benefits and why the dam was constructed at that location. Read more: http://www.dvidshub.net/image/595934/stem-up-visits-prado-dam#ixzz1xE8ZTjNT