During construction of the ore haulage tunnel, rock was hauled out to form the roadbase for the surface portion of the line
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Cancel EditAMAX, Inc., During construction of the ore haulage tunnel, rock was hauled out to form the roadbase for the surface portion of the line. Denver Public Library Digital Collections, accessed 20/03/2025, https://digital.denverlibrary.org/nodes/view/1067485