The document summarizes the Nisqually River Knotweed Control Project, which aims to control the invasive plant Japanese knotweed along the Nisqually River. The project uses surveys, public outreach and treatment methods like herbicide application to control knotweed. It began in 2007 and has expanded its survey and treatment areas each year, treating over 600 acres total by 2009. The project also seeks to engage landowners and involves numerous collaborators.