Interlocking towers were constructed by railroads to control and manage junctions and crossings to prevent accidents. Often, this was where several railroads met. It’s hard to imagine where four different…
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Steam rotary snowplow crew, C.M. & St. Paul Rwy, 1916, Northwest Railway Museum collection. The Cascades are noteworthy for heavy snow. The term “Cascade Concrete” was coined by the earliest…
