The apparatus includes {TAIL ~ a grain column} through which grain may flow, wherein said grain column includes a lower discharge surface and an upper discharge surface, said grain column further has a discharge opening having a substantially uniform width W which is defined by said lower discharge surface and said {HEAD ~ upper discharge surface}, said width W≧5.0 inches 
The apparatus includes { TAIL ~ a grain column } through which grain may flow , wherein said grain column includes a lower discharge surface and an upper discharge surface , said grain column further has a discharge opening having a substantially uniform width W which is defined by said lower discharge surface and said { HEAD ~ upper discharge surface } , said width W≧5.0 inches
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