Historic Layer Cake
Steve Pappas, ECORP Consulting field director, answers questions from members of the U.S. Army Corps of Engineers Sacramento District regulatory team during a visit to an archaeological dig near El Dorado Hills, Calif., July 31, 2014. ECORP has been contracted to help research and catalog historic sites on this project site.

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Photo by: Robert Kidd |  VIRIN: 140731-A-AY634-023.JPG