Mark Parrish
Mark Parrish, who has a background as a mathematician and civil engineer with extensive hydrological expertise, was promoted to a newly created position in the U.S. Army Corps of Engineers. Parrish will be a liaison to hydropower customers, developing models to meet their power needs. (U.S. Army photo)

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Photo by: Portland District |  VIRIN: 201015-A-A1408-0001.PNG