Perrin, Lewis K Plants first 'sugar beets in Colorado. middle sixties, Clear creek valley, Colo. Colo. University. Industry of Colo. CD Ul I9.10th Ser. 1936 Clear Creek valley farmer, one of first to raise sugar beets, about 1866. Steinel.History .Agriculture .Colo. p.281 One of incornor ator s , Colo. beet sugar ref g. co. 1872. Steinel.Hist.Agric.Coio. p.221 Furnishes sugar beet juice for Doctor Hulse's experiments. Steinel.Hist.Agric.Colo. x,.286