Valmont Butte – Getting rock to pave Denver motor car line. Basalt rock quarry at Valmont Butte, owned by T.J. Jones. Rock was lowered by overhead cable to tower building where it was crushed before being loaded onto freight cars.
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Additional information
| Weight | 0.25 lbs |
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| Dimensions | 20 × 11 × 0.002 in |
Photographer: Sturtevant
Town Name: Boulder
Year: circa 1890
Town Name: Boulder
Year: circa 1890
