US Army Corps of Engineers
Seattle District

Herpetological Survey
Seattle District fishery biologist Rafael Lopez-Gonzalez holds garter snakes above Howard Hanson Dam. Rafael is working with a team of herpetologist from U.S. Army Engineer Research and Development Center (ERDC) conducting field studies to survey for reptiles and amphibians at Mud Mountain Dam and Howard Hanson Dam.

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Photo by: Dallas Edwards |  VIRIN: 180614-A-XX000-001.JPG