Magnes, Peter Shows cattle at fair in Denver, 1867. Baker & Hafen.Hist.Colo.v.2 p.651 First to raise sugar beets in Platte valley, about 1866. Steinel.Hist.Agric.Colo.p.281 Credited as the "father" of sugar beet growing in Colorado. Steinel. HISTORY AGRICULTURE agric.Colo.p.28^ Prepares to make sugar beet tests, about 1866. Steinel.Hist.Agric.Colo.p.283 Early sugar beet grower, 1870-1872. Baker & Hafen.Hist.Colo.v.2 p.631 Letter about his beet sugar experiences, published by Longmont press, 1872. Baker & Hafen.Hist.Colo.v.2 p.631,