Which cow towns were shipping points from which cattle were sent to packing houses in Chicago?

Key cow towns that served as shipping points for cattle sent to packing houses in Chicago included Abilene, Dodge City, and Wichita in Kansas. These towns emerged during the late 19th century as crucial hubs in the cattle drive era, facilitating the transport of livestock via railroads to major markets. The expansion of the railroad network allowed ranchers to ship their cattle efficiently, significantly impacting the beef industry and contributing to the growth of Chicago as a meatpacking center.