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Rio Grande's New Thistle Control Point

In 1975, the Denver & Rio Grande Western installed Centralized Traffic Control (CTC) in Utah between Springville and Soldier Summit. Train No. 18 is pictured passing through control point Thistle on May 1, 1977. Sadly, the eight year old installation drowned beneath Thistle Lake thanks to a mudslide the dammed off the Spanish Fork River in April 1983.

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Uploaded on May 3, 2017
Taken on May 1, 1977