The Original Chicago Museum of Science and Industry Great Train Story Layout

Here is the original Chicago Museum of Science and Industry Great Train Story Layout before the recent remake. It has no sound and the quality is a little faded due to the Quality degraded a bit over time. But enjoy.
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The Museum and Santa Fe Railroad exhibit is one of the world's largest and most complete model train displays. The 3,000-square-foot display takes its passengers on a journey across American terrain that highlights modern railroad operations. The exhibit vividly illustrates the formative role the railway industry has played in shaping America's economy.
-Notable among the railway's features:
-The exhibit opened in 1941, and was renovated in 1988.
-Scale: 1/4 inch to the foot or 1/48 actual size; track gauge: 1-1/4", O-gauge.
-1,200 feet of track run through a reconstructed setting representing the industrial Midwest, the Great Plains, the Arizona desert and Grand Canyon, and California.
-The display includes more than eight operational trains, four of which run at any given time. Each train is pulled by a diesel locomotive and hauls as many as 15 cars. The complex choreography of the trains is managed by an intricate electronic switchboard.
-A miniature "intermodal" facility demonstrates the interplay of highway, shop and rail transportation in modern railway operations.
-Working plant models in the display include a cement factory, an oil field and refinery and a wash rack in the train yard.
-Fifteen buildings and homes are wired with working electricity.

[@MrBnsftrain]

Thanks for sharing! A lot of the trains used on this layout with custom-made, while the new layout installed in 2000 uses off-the-shelf HO scale models

[@jayo1212]

To be fair, there really wasn't a whole lot of modern equipment available off-the-shelf like there is now...