Photo 3
Glenn Duval, water management program, passes a drill to Richard Allen, coastal engineer, so that he can secure newly installed gauges on the U.S. Coast Guard navigation range in Mobile Bay. Field data collection completed for the Mobile Harbor GRR includes wetland delineation, seagrass surveys, bottom-dwelling organisms, fisheries and oysters.

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Photo by: John Barker |  VIRIN: 170629-A-CE999-002.JPG