Station was alerted for small natural cover fire with no exposures.  C-2 arrived on location with 218 establishing command to find roughly 1.5-2 acres of field involved.   B207 and B69 arrived on location and encompassed the fire heading off any further progress.  E204 arrived established a fill station and personnel were sent into the field with rakes to extinguish hot spots.  Situation was placed under control units working.  Once fire was extinguished both brush trucks sank into the field requiring farm equipment to extricate them. Command was cancelled and all units returned available.