EAST PACIFIC AND EAST PACIFIC TUNNEL NO. 4 Beaver District. Broadwater County. Minerals Yearbook 1941. Page 375. Ore shipped crude to smelter. (Lead ore).
WPA, "East Pacific and East Pacific Tunnel No. 4" (1941). Minerals Yearbook, All. 312.
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East Pacific Tunnel No. 4, Beaver District, Broadwater County, lead ore