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The article presents information on the experiences of the author while designing the O scale modeling technique to constructing a livestock pen between a railroad track. Topics including the methods used by him to build prototypes, the size of the livestock pens, and the materials used for construction, are also discussed.

The article informs that the number of cattle and calves on feed for the slaughter market in various states of the U.S. has been released. It mentions that in Colorado 150,000 head of fed cattle were marketed in 2013 by cattle feeders with 1.000 head or more which is low by nine percent as compared to 2012. As per the National Agricultural Statistics Service, Kansas Field Office pens in Kansas contained 2.06 million cattle on feed on May 1, 2013 which is low by one percent from 2012.