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A screw trap sits below Cougar Dam, east of Eugene, Ore., May 28, 2021. Portland District, U.S. Army Corps of Engineers contractors check the screw traps daily to examine, categorize, measure and release any fish caught in the traps. The Corps placed these traps below Cougar, Lookout Point and Big Cliff dams in 2021 as a tool to help fish biologists collect data about fish passage. (U.S. Army photo by Tom Conning)
| Date Taken: | 05.28.2021 |
| Date Posted: | 06.17.2021 15:17 |
| Photo ID: | 6697886 |
| VIRIN: | 210528-A-EZ675-0001 |
| Resolution: | 6016x4016 |
| Size: | 9.68 MB |
| Location: | COUGAR DAM, OREGON, US |
| Web Views: | 20 |
| Downloads: | 3 |
This work, Corps operates screw traps [Image 3 of 3], by Tom Conning, identified by DVIDS, must comply with the restrictions shown on https://www.dvidshub.net/about/copyright.
That sounds fishy: twisting traps troll tributaries in the Willamette
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