Vintage Woven Rug Native American Wall Hanging Wool ? 26 X 48

Approximately 26 x 48 inches Please see pictures This has been in our barn for many years which was built before 1940, our family has collected many southwest items around Arizona. I do not know the tribe affiliation I do not know the fabric or techniques used. It maybe wool but I am not knowledgeable enough to say for sure. There is discoloration as shown on the photos. It is solid On the back you can see threads from the making.