The Lakewood Mill was the largest tungsten concentrator in the world when it was built near North Boulder Creek in Boulder County, Colorado, in 1908 by the Primos Company of Primos, Pennsylvania. The mill was managed by Chauncy F. Lake, who...
Ore-dressing plants--Colorado--Boulder County--1910-1920.; Tungsten mines and mining--Colorado--Boulder County--1910- 1920.; Boulder County (Colo.)--1910-1920.
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