U.S. Army Corps of Engineers (USACE), Galveston District's Hydrographic Survey Section Chief Erin Diurba teaches a Hydrographic Survey Techniques course in the Jadwin Building, June 6. Hydrography—a very math and physics heavy science—helps the Galveston District manage important waterways by determining the physical features of an underwater area.

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Photo by: Carlos Gomez |  VIRIN: 220606-A-OL640-0004.JPG

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