Hi, I have an older model Osprey backpack and I don't know the model name, it is a late 80's early 1990's model when they were made in Delores, C0. It is around 2500 to 3000 cubic inch pack. The long weekend type pack in old school terms. Does anyone know of an Osprey user group/message board that could help me identify it so I could try to track down a instruction manuel. There are some straps/accesories I can not figure out. Thanks for any help you could be.