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Capilano Smolt Catch and Release | It's the 13th and the most successful year to date for Metro Vancouver's Capilano Watershed Trap and Truck Program. See how smolts are captured in the...
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Scientist working on White Salmon River screw trap | U.S. Geological Survey
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Side-view schematic of a rotary-screw trap with the modifications in... | Download Scientific Diagram
INSIDE” THE ROTARY SCREW TRAP & NATURE WALK - Horsetown-Clear Creek Preserve
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COLUMBIA ENERGY FINISHES WORK ON COWLITZ ROTARY SCREW TRAP — Columbia Energy and Environmental Services
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Schematic of the rotary-screw trap and resistance board weir hybrid... | Download Scientific Diagram
A CATALOG OF ROTARY SCREW TRAPS THAT HAVE BEEN OPERATED IN THE CENTRAL VALLEY OF CALIFORNIA SINCE 1992
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What biologists learn as the screw trap turns and captures fish | Idaho Fish and Game
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