Coal mine No. 1, Rock Springs, ca. 1890
Mine No. 1 was the oldest and largest of the Union Pacific Coal Company mines in Rocks Springs. It opened in 1868 and employed about 500 miners.
Resource Identifier
ah01053_1194
Citation
W.B.D. and Annette B. Gray Papers, Collection No. 1053, Box 20, American Heritage Center, University of Wyoming
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