Folsom Dam model
Sacramento District commander Col. Bill Leady shows off a 1/240-scale model of the Folsom Dam auxiliary spillway in Folsom, Calif., during a site visit in May 2012. The Corps uses models created with a 3-D printer to help show team members, community leaders and the public how projects will look and operate.

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Photo by: Michael J. Nevins |  VIRIN: 120524-A-OJ861-937.JPG