A piece of equipment developed for this industry was later made by the railroad industry into a set of triangular rubber spikes laid across the rails on either side of a pedestrian crossing. This industry developed a grid of pipes laid over a shallow pit for use across roads. “Drift” barriers used in this industry, which were replaced by a competitor popularized by a frying pan logo, were a major contributor to its decimation in the (*) Great Die-Up. In DeKalb, Illinois, (10[1])Joseph Glidden developed “The Winner” design for use in this industry to replace Osage oranges. When leaders of this industry, which now commonly uses feedlots, pioneered barbed wire, (10[1])farmers cut the (10[1])wire to defend the open range. For 10 points, name this industry that produces the meat for steaks and hamburgers. ■END■