2005  Nikolaeva & Bogoslovskii, p.40, text-fig.12: = Kiya 1, bed 6.
      ------   Nikolaeva & Bogoslovskii: 38. Kiya 1 is situated at the right bank of the Kiya River, tributary of Ilek River, 200 m
               downstream spring. Orenburg oblast', at border Russian Federation/Kazakhstan. Kiinsk. Formation.