BTW, this thread brings to mind why the hobby (obsession?) of a pursuit of the study of railroading is so all-engrossing and can cover a full life-time. Railroading embraces aesthetics, design, finance, engineering, geology, sociology, history, politics, adventure, travel, romance, geography, the life cycle of business, biographies, and probably a few other areas of inquiry which I can't think of, now! Hard to beat!
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