National Geographic : 1937 Aug
Photograph byBarnes Flying Service GIGANTIC GRAY CEMENT CYLINDERS FORM THIS CAPACIOUS WHEAT ELEVATOR,OR "KANSAS CASTLE" These striking architectural patterns originated in the Midwest Wheat Belt. This one stands at Wichita, and manyothers dot theKansas plains. Grain ispumped through the pipes which emerge from the left side of the structure. Millers from other States come hereevery year and buy millions ofbushels.