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HELPER UTAH - JUN 2016: Helper Utah road construction downtown Main Street. Population center in 1881 when the railroad was completed. Industrial expansion coal mining and railroad main economy.

视  频 ID：  17277685
版      权：  Rekindle Photo and Video
视频长度：  0:28
横纵比率：  1.90:1
所属分类：  建筑 工业 
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