2007 top-10 most endangered American rivers list released Posted by Tim Shaw On April 26, 2007 January 8, 2015 Filed under Marine Science and Conservation No Comments American Rivers has released its annual list of 10 most endangered American rivers. I don’t personally know any of these, but I am going to take a guess that most of these a valuable boating rivers that need care. Share this:ShareEmailFacebookTwitterGooglePinterest Leave a Reply Cancel reply Your email address will not be published. Required fields are marked * Name * Email * Website Comment Notify me of followup comments via e-mail Notify me of follow-up comments by email. Notify me of new posts by email.