Front:
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Air View of the Purina Research Farmy Gray Summily Mo.
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THE PURINA RESEARCH FARM
This is the world's largest commercial re-
search farm, covering 778 acres of Missouri
countryside. It is not a show-place, but is main-
tained just like the average farm to provide a
practical testing ground for formulas that even-
tually become PURINA CHOWS.
(REG. U. S. A. PAT. OFF.)
CURTEICHCOLORⓇ 3-D NATURAL COLOR REPRODUCTION
E1336-R 10-62
8C-K630
