Mr. Pinkham at the Permafrost Tunnel near Fairbanks
Mark DeRocchi (right), chief of the Engineering, Construction and Operations Division for the U.S. Army Corps of Engineers – Alaska District, discusses arctic construction practices with Jaime Pinkham (left), principal deputy assistant secretary of the Army for civil works, during a tour of the USACE permafrost tunnel near Fairbanks, Alaska, on Feb. 24. (USACE Alaska District Photo)

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Photo by: USACE Alaska District Photo |  VIRIN: 220224-A-A1410-1001.JPG