At 1315 station 9 was alerted to a reported brush fire in the 7800 block of Crittenden Rd.  Brush 9, Tanker 9, and Car 109 responded to the call.  Brush 9 arrived to find a pile of cotton burning in the rear of a field as well as some smoldering cotton burning in the hopper of the picker.  Brush 9 deployed a line with class A foam initially on the picker and later moved to the piles.  Tanker 9 provided the water supply, Car 109 (Parsons) had command.  This was followed by an EMS call in IOW County with Carrollton VFD.