BLUE CLOUD (Blue Cloud Mining Company) Lincoln District. Lewis & Clark County. Minerals Yearbook 1939. Page 378. Produced placer gold. 1,058 cubic yards of gravel were treated during 1938. Used dragline and washer.
WPA, "Blue Cloud" (1939). Minerals Yearbook, All. 106.
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Blue Cloud, Lincoln District, Lewis & Clark County, placer, gold, dragline, washer