Is it attainable to advertise a more healthy and extra resilient Mississippi River ecosystem with out impacting navigation? The Higher Mississippi River Restoration, or UMRR, Program was initiated to do exactly that. Approved by the Water Sources Improvement Act of 1986, UMRR was the primary environmental restoration and monitoring program undertaken on a big river system in america.
发布者：Janet Meredith，转转请注明出处：https://robotalks.cn/mississippi-river-project-balances-aquatic-ecosystems-and-navigation/
