ARZC 807 arrives in Castle Hot Springs to swap cars with BNSF's M-PHXPHX at the beginning of a scorching hot day in central Arizona.
After interchanging with BNSF at Castle Hot Springs, 3999, 3997, 3998, 4001 & 4002 pass Hope on their way to Parker
The Cadiz turn departs Parker
After interchanging with BNSF at Castle Hot Springs, 3999 leads an ARZC train back to Parker