Box car counts by RR - NMRA Charles collection

Larry Kline

I just posted a table in the files section file that compares expected and actual counts of boxcars by railroad in the NMRA Charles collection. The file name is _Compare box car counts US RRs - Charles collection.pdf_.

The first two columns in the table list, in descending order, the number of box cars owned on 12-31-1950 by 71 US railroads. These numbers are from _The Handbook of American Railroads_.

There are 194 photos of boxcars in the Charles collection. Most of them were taken in 1946 and 1947 in the greater Harrisburg PA area on the PRR. The most common photo location is the PRR eastbound receiving yard in Harrisburg. The third column in the table lists the expected boxcar counts by railroad for a total of 194 boxcars, based on the second column. The fourth column lists the actual number of boxcar photos in the Charles collection.

Given the small size of the sample, I think that these numbers support Tim Gilbert's hypothesis that the number of boxcars owned by railroad can be used to predict the expected number of boxcars observed. Other list members are welcome to draw their own conclusions about this data.

Larry Kline
Pittsburgh, PA

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