OHWM on the Willamette River
Dr. Gabrielle David discussing the location of the OHWM on the Willamette River in Oregon during the Portland District OHWM Field Delineation training course. Dr. David is standing at the level of the OHWM and pointing towards evidence along the banks of the river. This course took place in July 2019.

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Photo by: Courtesy Asset |  VIRIN: 170401-A-AA111-001.JPG