Fish Biologist Alex Catalano and Biologist Andrew Miller, with the U.S. Army Corps of Engineers (USACE) Chicago District, recently joined forces with the Stockbridge-Munsee Community (SMC) Ecology Department to evaluate the impact of road culverts on Aquatic Organism Passage (AOP) in the West Branch of the Red River near Bowler, Wisconsin. The collaborative effort, combining local ecological knowledge and federal technical expertise, aims to determine whether two culverts are restricting fish movement — and if so, prioritize solutions that improve connectivity across the watershed.