Looking southeast from the Cedar River at the Quarker Oats Plant. In 1873, the Stuart family from Canada and the Higley and especially the Douglas family from Cedar Rapids established an oatmeal mill (initially known as the North Star Mill). The company later adopted the name American Cereal Company and by the 1890s began to produce a product line known as "Quaker Oats". The Cedar Rapids Quaker Oats plant established its own skyline of manufacturing buildings and became one of the largest in the nation. 1950 postmark. Number 4B-H1575. Series P5.