Concrete Silos: A Booklet of Practical Information for the Farmer and Rural Contractor.
Chicago: UPC Co., 1914. The subtitle belies the thoroughness of this catalog. A history of the silo is followed by illustrations of contemporary silos in situ, as well as articles on silage, methods of building, chart with costs of filling silos, etc. Seventh edition. 8vo; 104 pp.; illustrated from photographs.....