Quarry of Southwestern Portland Cement Company. El Paso County, Texas. No Date.
Summary
Quarry of Southwestern Portland Cement Company. Shows methods of loading rock from dump carts to tram cars below grating. El Paso County, Texas. No date.
Summary
Quarry of Southwestern Portland Cement Company. Shows methods of loading rock from dump carts to tram cars below grating. El Paso County, Texas. No date.
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