BNSF 748 leads a westbound grain train by Parks, AZ on May 2, 2005.

BNSF 748 leads westbound grain train at Parks AZ on May 2, 2005.

BNSF warbonnet 748 leads a heavy grain train westward down the grade through Parks (Maine), AZ on an overcast May 2, 2005. As is usual for the heavy grain trains two sets of distributed power are providing their power and dynamic braking.