1. Upstream point within Real del Castillo Nuevo 1:50000 sheet (H11B13)
  2. Entrance to the valley
  3. Upstream point of sand mining operations on February 2002
  4. Downstream point of sand mining operations on February 2002
  5. At 90o bend near Cerro Las Delicias
  6. Point where cross-section narrows down to about 100 m width
  7. Downstream point within Real del Castillo Nuevo 1:50000 sheet (H11B13)
  8. Downstream point within Ensenada 1:50000 sheet (H11B12)

Fig. 9   Longitudinal profile of El Barbon Wash in the Ojos Negros valley.