This is a great article about rubbish on the mountain. I hope people take the time and read it. Learn about how important to keep our nature clean. I don't even know what kind of people are leaving their rubbish there.
Another thing, when you are hiking, and find boards, that said do not cross for any reason, it is better not to. Not just you probably enter the private property but in some cases, you bump into an asbestos mine which can be incredibly dangerous to your health. Learn more about asbestos from this blog.