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Hancock Plant Produces Liquid Fertilizer --- A First - Saw Raw Materials Roll By . . .
'Fine Tuning' Controls . . . are seen, above, while Bob Emken works on the 'rough' controls.
Hancock Plant Produces Liquid Fertilizer --- A First - Saw Raw Materials Roll By . . .
Under Thunder Jug . . . is the rest of the Tri-B operation at Hancock, including the control center in shack, left.