FLATHEAD (ANACONDA COPPER MINING CO.) Hog Heaven District. Flathead County. Minerals Yearbook 1940. Pages 112, 340, 355. Decrease of silver ore in 1939 from 15,797 tons to 13,447 tons. Increase of crude lead ore from 4,997 to 13,201 tons. Increase in lead from crude ore smelted.
WPA, "Flathead" (1940). Minerals Yearbook, All. 483.
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Flathead, Hog Heaven District, Flathead County, silver, lead, Anaconda Copper Mining Company