#1: The confluence is just at the base of the brittlebush in the foreground. This picture looks north.
#2: A more general picture looking N
#3: Looking E from the confluence. A few branches of paloverde in the foreground and a mesquite tree. The arroyo banks show some erosion probably caused by overgrazing
#4: Looking W towards the begining of the delta of the Sonora river.
#5: From the confluence looking S towards "Cerro Colorado" and the powerline that appears in photo 8
#6: The happy search party at the confluence
#7: Discrepancy of three meters at the confluence
#8: Photo of the general area of the confluence taken from an Airbus 320 on route to Mexico City one month before visiting the site