Is This Navajo Red Double Saddle Blanket Cotton or Wool ? Germantown or Ganado ? Golden Age 1900-30?

Is this Red Navajo Double Saddle Blanket made of Wool or Cotton ? Is it from GermanTown or Ganado ? Is it pre-1900 or from the Golden Age of Navajo Saddle Blankets 1900 to 1930 ?