J. L. Heskett, Robert M. Ivie, and Nicholas A. Glaskowsky, Jr., Business Logistics: Management of Physical Supply and Distribution, The Ronald Press Co., 1964

LOGISTICS "TREE" FOR FLOUR

In another sense, the logistics process involves a "fanning out" of commodities from a common point. Using the example of flour, the ultimate delivery to the consumer of the production of one bushel of wheat seed may involve literally thousands of business entities.