U.S. Marine Corps photo by JoAnna Delfin/Released 211115-N-TR604-1029.JPG
Nov 15, 2021
Cmdr. Brian Christner, Marine Corps Base Camp Blaz public works officer, discusses features of a sinkhole and karst terrain with a University of Guam graduate student during a tour of Tarague Well 4 at Andersen Air Force Base Oct. 8. Navy environmental specialists escorted John Jensen, University of Guam chief hydrogeologist and professor of environmental geology, and Water & Environmental Research Institute Western Pacific director, and his graduate students to the area to study sinkholes and karst terrain at the Air Force Base.
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