Interview with Arthur and Louise Caillet Dieterich, owners and operators of Hermosa Farms, Dallas, Texas. The interview includes the Dieterich's personal experiences about farming in Dallas, education, and establishing Hermosa Farms. The Dieterich's talk about their family backgrounds, Arthur's employment as operator of dairy cooperative with his brother in El Paso, Texas, the effect of the Great Depression on Dallas dairy businesses, milk processing and delivery operations, a typical day on a dairy farm, their change from retail to wholesale business, developing dairy herd, their cooperation with agricultural experiment stations, personnel practices, and civic and trade association activities. The interview includes an appendix with a family history written by Louise Caillet Dieterich.