Doyle, timber man, Forrester, miner, Christopher, mechanic and hoist engineer, Baldwin, banker, Irvine, engineer and lawyer, C. H. Bruner, owner and banker, and Ironsmith, miner with mining candle, pose near the shaft house of the Red Spruce Mine...
Mine buildings--Colorado--Boulder County--1890-1910.; Boulder County (Colo.)--1890-1910.; Red Spruce Mine (Boulder County, Colo.)--1890-1910.; Miners--Colorado--Boulder County--1890-1910.; Mining--Colorado--Boulder County--1890-1910.; Bruner, C. H.
[between 1890 and 1910]
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