images serverimages.library.wisc.edu/econatres/efacs2/minerals... · 99, 600 47, 500 1936 43, 615,...
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- Images Serverimages.library.wisc.edu/EcoNatRes/EFacs2/Minerals... · 99, 600 47, 500 1936 43, 615, 000 133, 900 59, 200 1937 138, 900 6.0 71,400 1938 73, 600 55, 000 The quantity
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