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Upper Midwest Environmental Sciences Center

UMESC - Celebrating 50 Years of Science for a Better World - 1959-2009

UMESC Gallery

Scientist Wayne Willford conducting a tour at Riverside Park Fish Control Lab: Full resolution

Scientist Wayne Willford conducting a tour at Riverside Park Fish Control Lab

Photo by USGS, UMESC

Usage: This image is public domain/of free use. Please refer to the USGS Copyright section for more details.