As part of its mission, the US Army Corps of Engineers is tasked with the stewardship of America’s river system. What methods do they use to achieve their environmental objectives? How do they balance this work with their other task of maintaining river transportation? And what are the effects of their work on river plant and animal life? View this video to explore these topics and more with Erin Hilligoss-Volkmann, Natural Resource Specialist with the St. Louis District US Army Corps of Engineers.