1989 - Volume #13, Issue #5, Page #23
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Bushel Gauge For Grain Bins
Retired Iowa State ag engineer Dale Hull came up with a simple way to keep track of how much grain is in each bin on his farm near Ames, Iowa. On the back inside wall of the bin, he mounts a 1 by 6-in. board from the floor to the eve. The board is marked off every 12 in. like a ruler with easy-to-read red numbers...........

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