Insulated wood boxcars such as Union Line #6699, built in 1895, were used to transport dairy products such as milk, cheese, and eggs to market.

Union Refrigerator Transit Line, 1930–1970:

Source: The Great Yellow Fleet, p. 17.

References

• White, John W. (1986). The Great Yellow Fleet. Golden West Books, San Marino, CA. ISBN 0-87095-091-6.
• White, Jr., John H. (1993). The American Railroad Freight Car. The Johns Hopkins University Press, Baltimore, Maryland. ISBN 0-8018-5236-6.

Further reading

• Greedy, John A. (1997). "Milwaukee Road's Union Refrigerator Transit Lines 37000-Series Steel Ice Reefers." The Milwaukee Railroader 27 (2) 4–7.

---

Source: Wikipedia | The above article is available under the GNU FDL. | Edit this article